556449260 has 24 divisors (see below), whose sum is σ = 1179892896. Its totient is φ = 220417920.

The previous prime is 556449247. The next prime is 556449263. The reversal of 556449260 is 62944655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (556449263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133001 + ... + 137120.

It is an arithmetic number, because the mean of its divisors is an integer number (49162204).

Almost surely, 2^556449260 is an apocalyptic number.

It is an amenable number.

556449260 is an abundant number, since it is smaller than the sum of its proper divisors (623443636).

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

556449260 is a wasteful number, since it uses less digits than its factorization.

556449260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270233 (or 270231 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 556449260 is about 23589.1767554529. The cubic root of 556449260 is about 822.5112682190.

The spelling of 556449260 in words is "five hundred fifty-six million, four hundred forty-nine thousand, two hundred sixty".