472158631044 has 81 divisors (see below), whose sum is σ = 1211309852389. Its totient is φ = 155073303840.

The previous prime is 472158631033. The next prime is 472158631067. The reversal of 472158631044 is 440136851274.

The square root of 472158631044 is 687138.

It is a perfect power (a square), and thus also a powerful number.

472158631044 is a `hidden beast` number, since 4 + 7 + 2 + 1 + 5 + 8 + 631 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295011922500 + 177146708544 = 543150^2 + 420888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 292719982 + ... + 292721594.

Almost surely, 2^472158631044 is an apocalyptic number.

472158631044 is the 687138-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472158631044

472158631044 is an abundant number, since it is smaller than the sum of its proper divisors (739151221345).

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

472158631044 is an equidigital number, since it uses as much as digits as its factorization.

472158631044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 472158631044 in words is "four hundred seventy-two billion, one hundred fifty-eight million, six hundred thirty-one thousand, forty-four".