556402194 has 48 divisors (see below), whose sum is σ = 1271568480. Its totient is φ = 175348800.

The previous prime is 556402181. The next prime is 556402201. The reversal of 556402194 is 491204655.

556402194 is a `hidden beast` number, since 5 + 5 + 640 + 2 + 1 + 9 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204189 + ... + 206895.

It is an arithmetic number, because the mean of its divisors is an integer number (26491010).

Almost surely, 2^556402194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556402194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635784240).

556402194 is an abundant number, since it is smaller than the sum of its proper divisors (715166286).

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

556402194 is a wasteful number, since it uses less digits than its factorization.

556402194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 556402194 is about 23588.1791158199. The cubic root of 556402194 is about 822.4880774811.

The spelling of 556402194 in words is "five hundred fifty-six million, four hundred two thousand, one hundred ninety-four".