56444790938 has 8 divisors (see below), whose sum is σ = 86732239860. Its totient is φ = 27534044320.

The previous prime is 56444790907. The next prime is 56444791003. The reversal of 56444790938 is 83909744465.

It can be written as a sum of positive squares in 2 ways, for example, as 50903030689 + 5541760249 = 225617^2 + 74443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344175473 + ... + 344175636.

Almost surely, 2^56444790938 is an apocalyptic number.

56444790938 is a deficient number, since it is larger than the sum of its proper divisors (30287448922).

56444790938 is a wasteful number, since it uses less digits than its factorization.

56444790938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688351152.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 56444790938 in words is "fifty-six billion, four hundred forty-four million, seven hundred ninety thousand, nine hundred thirty-eight".