43315120256 has 32 divisors (see below), whose sum is σ = 87098334480. Its totient is φ = 21455146240.

The previous prime is 43315120237. The next prime is 43315120283. The reversal of 43315120256 is 65202151334.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 1567610 + ... + 1595001.

Almost surely, 2^43315120256 is an apocalyptic number.

It is an amenable number.

43315120256 is an abundant number, since it is smaller than the sum of its proper divisors (43783214224).

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

43315120256 is a wasteful number, since it uses less digits than its factorization.

43315120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162732 (or 3162720 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 43315120256 in words is "forty-three billion, three hundred fifteen million, one hundred twenty thousand, two hundred fifty-six".