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5407777044 = 22321716275431
BaseRepresentation
bin1010000100101010…
…00010000100010100
3111221212200112111200
411002111002010110
542033342331134
62252335232500
7251003226555
oct50225020424
914855615450
105407777044
112325604a2a
12106b078730
13682493c97
143942cc32c
15219b54499
hex142542114

5407777044 has 72 divisors (see below), whose sum is σ = 14485318848. Its totient is φ = 1695202560.

The previous prime is 5407777021. The next prime is 5407777049. The reversal of 5407777044 is 4407777045.

It is a super-3 number, since 3×54077770443 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5407777049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993009 + ... + 998439.

It is an arithmetic number, because the mean of its divisors is an integer number (201184984).

Almost surely, 25407777044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5407777044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7242659424).

5407777044 is an abundant number, since it is smaller than the sum of its proper divisors (9077541804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5407777044 is a wasteful number, since it uses less digits than its factorization.

5407777044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085 (or 7080 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The square root of 5407777044 is about 73537.5893268198. The cubic root of 5407777044 is about 1755.2524690968.

Subtracting from 5407777044 its reverse (4407777045), we obtain a palindrome (999999999).

The spelling of 5407777044 in words is "five billion, four hundred seven million, seven hundred seventy-seven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 1627 3254 4881 5431 6508 9762 10862 14643 16293 19524 21724 27659 29286 32586 48879 55318 58572 65172 82977 92327 97758 110636 165954 184654 195516 248931 276981 331908 369308 497862 553962 830943 995724 1107924 1661886 3323772 8836237 17672474 26508711 35344948 53017422 79526133 106034844 150216029 159052266 300432058 318104532 450648087 600864116 901296174 1351944261 1802592348 2703888522 5407777044