556472345667220 has 24 divisors (see below), whose sum is σ = 1168597391449824. Its totient is φ = 222587897210016.

The previous prime is 556472345667193. The next prime is 556472345667239. The reversal of 556472345667220 is 22766543274655.

It is a super-2 number, since 2×556472345667220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60675714 + ... + 69242233.

It is an arithmetic number, because the mean of its divisors is an integer number (48691557977076).

Almost surely, 2^{556472345667220} is an apocalyptic number.

It is an amenable number.

556472345667220 is an abundant number, since it is smaller than the sum of its proper divisors (612125045782604).

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

556472345667220 is a wasteful number, since it uses less digits than its factorization.

556472345667220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130132119 (or 130132117 counting only the distinct ones).

The product of its (nonzero) digits is 508032000, while the sum is 64.

The spelling of 556472345667220 in words is "five hundred fifty-six trillion, four hundred seventy-two billion, three hundred forty-five million, six hundred sixty-seven thousand, two hundred twenty".