1400045550 has 24 divisors (see below), whose sum is σ = 3472113336. Its totient is φ = 373345440.

The previous prime is 1400045539. The next prime is 1400045551. The reversal of 1400045550 is 555400041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400045550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400045551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4666669 + ... + 4666968.

It is an arithmetic number, because the mean of its divisors is an integer number (144671389).

Almost surely, 2^1400045550 is an apocalyptic number.

1400045550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400045550 is an abundant number, since it is smaller than the sum of its proper divisors (2072067786).

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

1400045550 is a wasteful number, since it uses less digits than its factorization.

1400045550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333652 (or 9333647 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1400045550 is about 37417.1825502669. The cubic root of 1400045550 is about 1118.7010743978.

Adding to 1400045550 its reverse (555400041), we get a palindrome (1955445591).

The spelling of 1400045550 in words is "one billion, four hundred million, forty-five thousand, five hundred fifty".