556874940 has 48 divisors (see below), whose sum is σ = 1595518848. Its totient is φ = 145045824.

The previous prime is 556874911. The next prime is 556874953. The reversal of 556874940 is 49478655.

It is a self number, because there is not a number n which added to its sum of digits gives 556874940.

It is a congruent number.

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, 105342 + ... + 110501.

It is an arithmetic number, because the mean of its divisors is an integer number (33239976).

Almost surely, 2^556874940 is an apocalyptic number.

It is an amenable number.

556874940 is an abundant number, since it is smaller than the sum of its proper divisors (1038643908).

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

556874940 is a wasteful number, since it uses less digits than its factorization.

556874940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215898 (or 215896 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 556874940 is about 23598.1978125449. The cubic root of 556874940 is about 822.7209533171.

It can be divided in two parts, 5568 and 74940, that added together give a palindrome (80508).

The spelling of 556874940 in words is "five hundred fifty-six million, eight hundred seventy-four thousand, nine hundred forty".