556369040 has 20 divisors (see below), whose sum is σ = 1293558204. Its totient is φ = 222547584.

The previous prime is 556369019. The next prime is 556369087. The reversal of 556369040 is 40963655.

It can be written as a sum of positive squares in 2 ways, for example, as 250398976 + 305970064 = 15824^2 + 17492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 556368985 and 556369003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477227 + ... + 3477386.

Almost surely, 2^556369040 is an apocalyptic number.

It is an amenable number.

556369040 is an abundant number, since it is smaller than the sum of its proper divisors (737189164).

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

556369040 is a wasteful number, since it uses less digits than its factorization.

556369040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954626 (or 6954620 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 556369040 is about 23587.4763380909. The cubic root of 556369040 is about 822.4717407905.

The spelling of 556369040 in words is "five hundred fifty-six million, three hundred sixty-nine thousand, forty".