56408337478 has 16 divisors (see below), whose sum is σ = 85248930816. Its totient is φ = 27992792520.

The previous prime is 56408337437. The next prime is 56408337493. The reversal of 56408337478 is 87473380465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43426 + ... + 338677.

It is an arithmetic number, because the mean of its divisors is an integer number (5328058176).

Almost surely, 2^56408337478 is an apocalyptic number.

56408337478 is a deficient number, since it is larger than the sum of its proper divisors (28840593338).

56408337478 is a wasteful number, since it uses less digits than its factorization.

56408337478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382659.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 56408337478 in words is "fifty-six billion, four hundred eight million, three hundred thirty-seven thousand, four hundred seventy-eight".