56469694251840 has 112 divisors (see below), whose sum is σ = 182674133739648. Its totient is φ = 14774460872704.

The previous prime is 56469694251821. The next prime is 56469694251871. The reversal of 56469694251840 is 4815249696465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554879292 + ... + 554981051.

Almost surely, 2^{56469694251840} is an apocalyptic number.

It is an amenable number.

56469694251840 is an abundant number, since it is smaller than the sum of its proper divisors (126204439487808).

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

56469694251840 is a wasteful number, since it uses less digits than its factorization.

56469694251840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109860416 (or 1109860406 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 69.

The spelling of 56469694251840 in words is "fifty-six trillion, four hundred sixty-nine billion, six hundred ninety-four million, two hundred fifty-one thousand, eight hundred forty".