556726344 has 32 divisors (see below), whose sum is σ = 1402782720. Its totient is φ = 184113216.

The previous prime is 556726333. The next prime is 556726349. The reversal of 556726344 is 443627655.

It is a junction number, because it is equal to n+sod(n) for n = 556726296 and 556726305.

It is not an unprimeable number, because it can be changed into a prime (556726349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88279 + ... + 94374.

It is an arithmetic number, because the mean of its divisors is an integer number (43836960).

Almost surely, 2^556726344 is an apocalyptic number.

It is an amenable number.

556726344 is an abundant number, since it is smaller than the sum of its proper divisors (846056376).

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

556726344 is a wasteful number, since it uses less digits than its factorization.

556726344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182789 (or 182785 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 556726344 is about 23595.0491417161. The cubic root of 556726344 is about 822.6477687715.

The spelling of 556726344 in words is "five hundred fifty-six million, seven hundred twenty-six thousand, three hundred forty-four".