56440211504 has 20 divisors (see below), whose sum is σ = 112880424000. Its totient is φ = 27309779520.

The previous prime is 56440211489. The next prime is 56440211507. The reversal of 56440211504 is 40511204465.

56440211504 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56440211507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56894879 + ... + 56895870.

It is an arithmetic number, because the mean of its divisors is an integer number (5644021200).

Almost surely, 2^56440211504 is an apocalyptic number.

It is an amenable number.

56440211504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56440211504 is a wasteful number, since it uses less digits than its factorization.

56440211504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113790788 (or 113790782 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 56440211504 its reverse (40511204465), we get a palindrome (96951415969).

The spelling of 56440211504 in words is "fifty-six billion, four hundred forty million, two hundred eleven thousand, five hundred four".