56580640238 has 8 divisors (see below), whose sum is σ = 85490456832. Its totient is φ = 28083821296.

The previous prime is 56580640231. The next prime is 56580640271. The reversal of 56580640238 is 83204608565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 56580640192 and 56580640201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580640231) 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 3 ways as a sum of consecutive naturals, for example, 103249070 + ... + 103249617.

It is an arithmetic number, because the mean of its divisors is an integer number (10686307104).

Almost surely, 2^56580640238 is an apocalyptic number.

56580640238 is a deficient number, since it is larger than the sum of its proper divisors (28909816594).

56580640238 is a wasteful number, since it uses less digits than its factorization.

56580640238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206498826.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 56580640238 in words is "fifty-six billion, five hundred eighty million, six hundred forty thousand, two hundred thirty-eight".