556744286730 has 16 divisors (see below), whose sum is σ = 1336186288224. Its totient is φ = 148465143120.

The previous prime is 556744286729. The next prime is 556744286743. The reversal of 556744286730 is 37682447655.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9279071416 + ... + 9279071475.

It is an arithmetic number, because the mean of its divisors is an integer number (83511643014).

Almost surely, 2^556744286730 is an apocalyptic number.

556744286730 is an abundant number, since it is smaller than the sum of its proper divisors (779442001494).

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

556744286730 is a wasteful number, since it uses less digits than its factorization.

556744286730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18558142901.

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 556744286730 in words is "five hundred fifty-six billion, seven hundred forty-four million, two hundred eighty-six thousand, seven hundred thirty".