556790444 has 12 divisors (see below), whose sum is σ = 1113580944. Its totient is φ = 238624464.

The previous prime is 556790441. The next prime is 556790447. The reversal of 556790444 is 444097655.

It is an interprime number because it is at equal distance from previous prime (556790441) and next prime (556790447).

556790444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 556790395 and 556790404.

It is not an unprimeable number, because it can be changed into a prime (556790441) 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, 9942659 + ... + 9942714.

It is an arithmetic number, because the mean of its divisors is an integer number (92798412).

Almost surely, 2^556790444 is an apocalyptic number.

It is an amenable number.

556790444 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.

556790444 is a wasteful number, since it uses less digits than its factorization.

556790444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885384 (or 19885382 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 556790444 is about 23596.4074384216. The cubic root of 556790444 is about 822.6793400565.

The spelling of 556790444 in words is "five hundred fifty-six million, seven hundred ninety thousand, four hundred forty-four".