450412164 has 36 divisors (see below), whose sum is σ = 1180712624. Its totient is φ = 150137064.

The previous prime is 450412163. The next prime is 450412169. The reversal of 450412164 is 461214054.

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

It is a super-2 number, since 2×450412164² = 405742234958325792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (450412163) 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, 230722 + ... + 232665.

Almost surely, 2^450412164 is an apocalyptic number.

It is an amenable number.

450412164 is an abundant number, since it is smaller than the sum of its proper divisors (730300460).

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

450412164 is a wasteful number, since it uses less digits than its factorization.

450412164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463406 (or 463392 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 450412164 is about 21222.9160107653. The cubic root of 450412164 is about 766.5433203790.

The spelling of 450412164 in words is "four hundred fifty million, four hundred twelve thousand, one hundred sixty-four".