464156172 has 36 divisors (see below), whose sum is σ = 1174072536. Its totient is φ = 154614720.

The previous prime is 464156159. The next prime is 464156177. The reversal of 464156172 is 271651464.

464156172 is a `hidden beast` number, since 4 + 641 + 5 + 6 + 1 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (464156177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65272 + ... + 72032.

It is an arithmetic number, because the mean of its divisors is an integer number (32613126).

Almost surely, 2^464156172 is an apocalyptic number.

It is an amenable number.

464156172 is an abundant number, since it is smaller than the sum of its proper divisors (709916364).

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

464156172 is a wasteful number, since it uses less digits than its factorization.

464156172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678 (or 8673 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 464156172 is about 21544.2839751058. The cubic root of 464156172 is about 774.2621750705.

The spelling of 464156172 in words is "four hundred sixty-four million, one hundred fifty-six thousand, one hundred seventy-two".