556334440 has 64 divisors (see below), whose sum is σ = 1320739200. Its totient is φ = 210325248.

The previous prime is 556334417. The next prime is 556334491. The reversal of 556334440 is 44433655.

It is a super-2 number, since 2×556334440² = 619016018260227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556334396 and 556334405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574837 + ... + 575803.

It is an arithmetic number, because the mean of its divisors is an integer number (20636550).

Almost surely, 2^556334440 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 556334440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660369600).

556334440 is an abundant number, since it is smaller than the sum of its proper divisors (764404760).

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

556334440 is a wasteful number, since it uses less digits than its factorization.

556334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 556334440 is about 23586.7428866302. The cubic root of 556334440 is about 822.4546908889.

The spelling of 556334440 in words is "five hundred fifty-six million, three hundred thirty-four thousand, four hundred forty".