56635026140 has 72 divisors (see below), whose sum is σ = 150928695792. Its totient is φ = 17652472320.

The previous prime is 56635026139. The next prime is 56635026167. The reversal of 56635026140 is 4162053665.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56635026094 and 56635026103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2616077 + ... + 2637636.

It is an arithmetic number, because the mean of its divisors is an integer number (2096231886).

Almost surely, 2^56635026140 is an apocalyptic number.

It is an amenable number.

56635026140 is an abundant number, since it is smaller than the sum of its proper divisors (94293669652).

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

56635026140 is a wasteful number, since it uses less digits than its factorization.

56635026140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253747 (or 5253738 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 56635026140 in words is "fifty-six billion, six hundred thirty-five million, twenty-six thousand, one hundred forty".