556463240 has 16 divisors (see below), whose sum is σ = 1252042380. Its totient is φ = 222585280.

The previous prime is 556463231. The next prime is 556463249. The reversal of 556463240 is 42364655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (556463231) and next prime (556463249).

It can be written as a sum of positive squares in 2 ways, for example, as 518837284 + 37625956 = 22778^2 + 6134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 556463240.

It is not an unprimeable number, because it can be changed into a prime (556463249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6955751 + ... + 6955830.

Almost surely, 2^556463240 is an apocalyptic number.

It is an amenable number.

556463240 is an abundant number, since it is smaller than the sum of its proper divisors (695579140).

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

556463240 is a wasteful number, since it uses less digits than its factorization.

556463240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911592 (or 13911588 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 556463240 is about 23589.4730759294. The cubic root of 556463240 is about 822.5181563051.

The spelling of 556463240 in words is "five hundred fifty-six million, four hundred sixty-three thousand, two hundred forty".