472816156821428 has 12 divisors (see below), whose sum is σ = 945632313642912. Its totient is φ = 202635495780600.

The previous prime is 472816156821389. The next prime is 472816156821439. The reversal of 472816156821428 is 824128651618274.

472816156821428 is an admirable number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 8443145657498 + ... + 8443145657553.

It is an arithmetic number, because the mean of its divisors is an integer number (78802692803576).

Almost surely, 2^{472816156821428} is an apocalyptic number.

It is an amenable number.

472816156821428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472816156821428 is a wasteful number, since it uses less digits than its factorization.

472816156821428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16886291315062 (or 16886291315060 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 65.

The spelling of 472816156821428 in words is "four hundred seventy-two trillion, eight hundred sixteen billion, one hundred fifty-six million, eight hundred twenty-one thousand, four hundred twenty-eight".