556420260 has 96 divisors (see below), whose sum is σ = 1725115392. Its totient is φ = 132865920.

The previous prime is 556420253. The next prime is 556420279. The reversal of 556420260 is 62024655.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37929 + ... + 50511.

It is an arithmetic number, because the mean of its divisors is an integer number (17969952).

Almost surely, 2^556420260 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 556420260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862557696).

556420260 is an abundant number, since it is smaller than the sum of its proper divisors (1168695132).

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

556420260 is a wasteful number, since it uses less digits than its factorization.

556420260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673 (or 12671 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 556420260 is about 23588.5620587606. The cubic root of 556420260 is about 822.4969792605.

The spelling of 556420260 in words is "five hundred fifty-six million, four hundred twenty thousand, two hundred sixty".