556274404 has 36 divisors (see below), whose sum is σ = 1152284224. Its totient is φ = 230172768.

The previous prime is 556274377. The next prime is 556274431. The reversal of 556274404 is 404472655.

It is an interprime number because it is at equal distance from previous prime (556274377) and next prime (556274431).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11737 + ... + 35359.

Almost surely, 2^556274404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556274404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576142112).

556274404 is an abundant number, since it is smaller than the sum of its proper divisors (596009820).

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

556274404 is a wasteful number, since it uses less digits than its factorization.

556274404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692 (or 23661 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 556274404 is about 23585.4701882324. The cubic root of 556274404 is about 822.4251051682.

It can be divided in two parts, 55627 and 4404, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 556274404 in words is "five hundred fifty-six million, two hundred seventy-four thousand, four hundred four".