56364438328 has 64 divisors (see below), whose sum is σ = 119919191040. Its totient is φ = 24604320000.

The previous prime is 56364438293. The next prime is 56364438331. The reversal of 56364438328 is 82383446365.

56364438328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278508 + ... + 436228.

It is an arithmetic number, because the mean of its divisors is an integer number (1873737360).

Almost surely, 2^56364438328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56364438328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59959595520).

56364438328 is an abundant number, since it is smaller than the sum of its proper divisors (63554752712).

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

56364438328 is a wasteful number, since it uses less digits than its factorization.

56364438328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157900 (or 157896 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 52.

The spelling of 56364438328 in words is "fifty-six billion, three hundred sixty-four million, four hundred thirty-eight thousand, three hundred twenty-eight".