56020040646 has 16 divisors (see below), whose sum is σ = 112061911104. Its totient is φ = 18669708584.

The previous prime is 56020040633. The next prime is 56020040677. The reversal of 56020040646 is 64604002065.

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, 876120 + ... + 937883.

It is an arithmetic number, because the mean of its divisors is an integer number (7003869444).

Almost surely, 2^56020040646 is an apocalyptic number.

56020040646 is an abundant number, since it is smaller than the sum of its proper divisors (56041870458).

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

56020040646 is a wasteful number, since it uses less digits than its factorization.

56020040646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819155.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 56020040646 in words is "fifty-six billion, twenty million, forty thousand, six hundred forty-six".