472772135852556 has 12 divisors (see below), whose sum is σ = 1103134983655992. Its totient is φ = 157590711950848.

The previous prime is 472772135852531. The next prime is 472772135852563. The reversal of 472772135852556 is 655258531277274.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19698838993845 + ... + 19698838993868.

It is an arithmetic number, because the mean of its divisors is an integer number (91927915304666).

Almost surely, 2^{472772135852556} is an apocalyptic number.

It is an amenable number.

472772135852556 is an abundant number, since it is smaller than the sum of its proper divisors (630362847803436).

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

472772135852556 is a wasteful number, since it uses less digits than its factorization.

472772135852556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39397677987720 (or 39397677987718 counting only the distinct ones).

The product of its digits is 987840000, while the sum is 69.

The spelling of 472772135852556 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, one hundred thirty-five million, eight hundred fifty-two thousand, five hundred fifty-six".