556030440 has 512 divisors, whose sum is σ = 2304000000. Its totient is φ = 118879488.

The previous prime is 556030439. The next prime is 556030457. The reversal of 556030440 is 44030655.

556030440 is a `hidden beast` number, since 55 + 603 + 0 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7038321 + ... + 7038399.

It is an arithmetic number, because the mean of its divisors is an integer number (4500000).

Almost surely, 2^556030440 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 556030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152000000).

556030440 is an abundant number, since it is smaller than the sum of its proper divisors (1747969560).

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

556030440 is a wasteful number, since it uses less digits than its factorization.

556030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 556030440 is about 23580.2977080443. The cubic root of 556030440 is about 822.3048578851.

The spelling of 556030440 in words is "five hundred fifty-six million, thirty thousand, four hundred forty".