56726440044 has 24 divisors (see below), whose sum is σ = 132691783728. Its totient is φ = 18861657600.

The previous prime is 56726440013. The next prime is 56726440049. The reversal of 56726440044 is 44004462765.

It is a junction number, because it is equal to n+sod(n) for n = 56726439978 and 56726440005.

It is not an unprimeable number, because it can be changed into a prime (56726440049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5889457 + ... + 5899080.

It is an arithmetic number, because the mean of its divisors is an integer number (5528824322).

Almost surely, 2^56726440044 is an apocalyptic number.

It is an amenable number.

56726440044 is an abundant number, since it is smaller than the sum of its proper divisors (75965343684).

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

56726440044 is a wasteful number, since it uses less digits than its factorization.

56726440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788945 (or 11788943 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 56726440044 in words is "fifty-six billion, seven hundred twenty-six million, four hundred forty thousand, forty-four".