56409402419844 has 24 divisors (see below), whose sum is σ = 131622922864608. Its totient is φ = 18802993584960.

The previous prime is 56409402419759. The next prime is 56409402419963. The reversal of 56409402419844 is 44891420490465.

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, 15890737 + ... + 19113720.

It is an arithmetic number, because the mean of its divisors is an integer number (5484288452692).

Almost surely, 2^{56409402419844} is an apocalyptic number.

It is an amenable number.

56409402419844 is an abundant number, since it is smaller than the sum of its proper divisors (75213520444764).

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

56409402419844 is a wasteful number, since it uses less digits than its factorization.

56409402419844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35138755 (or 35138753 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 56409402419844 in words is "fifty-six trillion, four hundred nine billion, four hundred two million, four hundred nineteen thousand, eight hundred forty-four".