556065440 has 48 divisors (see below), whose sum is σ = 1501379712. Its totient is φ = 190650624.

The previous prime is 556065439. The next prime is 556065463. The reversal of 556065440 is 44560655.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 556065440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247124 + ... + 249363.

It is an arithmetic number, because the mean of its divisors is an integer number (31278744).

Almost surely, 2^556065440 is an apocalyptic number.

It is an amenable number.

556065440 is an abundant number, since it is smaller than the sum of its proper divisors (945314272).

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

556065440 is a wasteful number, since it uses less digits than its factorization.

556065440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496509 (or 496501 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 556065440 is about 23581.0398413641. The cubic root of 556065440 is about 822.3221111768.

The spelling of 556065440 in words is "five hundred fifty-six million, sixty-five thousand, four hundred forty".