5051133440 has 80 divisors (see below), whose sum is σ = 12438436032. Its totient is φ = 1965809664.

The previous prime is 5051133433. The next prime is 5051133467. The reversal of 5051133440 is 443311505.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68057 + ... + 121383.

Almost surely, 2^5051133440 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 5051133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6219218016).

5051133440 is an abundant number, since it is smaller than the sum of its proper divisors (7387302592).

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

5051133440 is an equidigital number, since it uses as much as digits as its factorization.

5051133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53387 (or 53371 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5051133440 is about 71071.3264263444. The cubic root of 5051133440 is about 1715.7853180753.

Adding to 5051133440 its reverse (443311505), we get a palindrome (5494444945).

The spelling of 5051133440 in words is "five billion, fifty-one million, one hundred thirty-three thousand, four hundred forty".