56899478340 has 72 divisors (see below), whose sum is σ = 172672456320. Its totient is φ = 15166392384.

The previous prime is 56899478327. The next prime is 56899478341. The reversal of 56899478340 is 4387499865.

56899478340 is a `hidden beast` number, since 56 + 89 + 9 + 478 + 34 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (56899478341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338341 + ... + 477779.

It is an arithmetic number, because the mean of its divisors is an integer number (2398228560).

Almost surely, 2^56899478340 is an apocalyptic number.

It is an amenable number.

56899478340 is an abundant number, since it is smaller than the sum of its proper divisors (115772977980).

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

56899478340 is a wasteful number, since it uses less digits than its factorization.

56899478340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141721 (or 141716 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 56899478340 in words is "fifty-six billion, eight hundred ninety-nine million, four hundred seventy-eight thousand, three hundred forty".