15056052440 has 64 divisors (see below), whose sum is σ = 39798531360. Its totient is φ = 5053777920.

The previous prime is 15056052421. The next prime is 15056052457. The reversal of 15056052440 is 4425065051.

It is a junction number, because it is equal to n+sod(n) for n = 15056052397 and 15056052406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310369 + ... + 1321808.

Almost surely, 2^15056052440 is an apocalyptic number.

15056052440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15056052440 is an abundant number, since it is smaller than the sum of its proper divisors (24742478920).

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

15056052440 is a wasteful number, since it uses less digits than its factorization.

15056052440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632212 (or 2632208 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 15056052440 in words is "fifteen billion, fifty-six million, fifty-two thousand, four hundred forty".