56041409903646 has 48 divisors (see below), whose sum is σ = 112954953562416. Its totient is φ = 18536226153984.

The previous prime is 56041409903627. The next prime is 56041409903669. The reversal of 56041409903646 is 64630990414065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267578800 + ... + 267788156.

It is an arithmetic number, because the mean of its divisors is an integer number (2353228199217).

Almost surely, 2^{56041409903646} is an apocalyptic number.

56041409903646 is an abundant number, since it is smaller than the sum of its proper divisors (56913543658770).

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

56041409903646 is a wasteful number, since it uses less digits than its factorization.

56041409903646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212013 (or 211876 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 56041409903646 in words is "fifty-six trillion, forty-one billion, four hundred nine million, nine hundred three thousand, six hundred forty-six".