556313040 has 60 divisors (see below), whose sum is σ = 1868287044. Its totient is φ = 148349952.

The previous prime is 556313033. The next prime is 556313063. The reversal of 556313040 is 40313655.

It can be written as a sum of positive squares in 2 ways, for example, as 443018304 + 113294736 = 21048^2 + 10644^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 556312995 and 556313013.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 385609 + ... + 387048.

Almost surely, 2^556313040 is an apocalyptic number.

It is an amenable number.

556313040 is an abundant number, since it is smaller than the sum of its proper divisors (1311974004).

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

556313040 is a wasteful number, since it uses less digits than its factorization.

556313040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772676 (or 772667 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 556313040 is about 23586.2892376058. The cubic root of 556313040 is about 822.4441452202. Note that the first 3 decimals are identical.

Adding to 556313040 its reverse (40313655), we get a palindrome (596626695).

The spelling of 556313040 in words is "five hundred fifty-six million, three hundred thirteen thousand, forty".