556394260 has 12 divisors (see below), whose sum is σ = 1168427988. Its totient is φ = 222557696.

The previous prime is 556394227. The next prime is 556394263. The reversal of 556394260 is 62493655.

It can be written as a sum of positive squares in 2 ways, for example, as 207302404 + 349091856 = 14398^2 + 18684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556394263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13909837 + ... + 13909876.

It is an arithmetic number, because the mean of its divisors is an integer number (97368999).

Almost surely, 2^556394260 is an apocalyptic number.

It is an amenable number.

556394260 is an abundant number, since it is smaller than the sum of its proper divisors (612033728).

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

556394260 is a wasteful number, since it uses less digits than its factorization.

556394260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819722 (or 27819720 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 556394260 is about 23588.0109377624. The cubic root of 556394260 is about 822.4841680480.

The spelling of 556394260 in words is "five hundred fifty-six million, three hundred ninety-four thousand, two hundred sixty".