450255513564 has 36 divisors (see below), whose sum is σ = 1180299435224. Its totient is φ = 150085170864.

The previous prime is 450255513553. The next prime is 450255513569. The reversal of 450255513564 is 465315552054.

450255513564 is a `hidden beast` number, since 4 + 5 + 0 + 2 + 5 + 551 + 35 + 64 = 666.

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

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450255513569) 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, 231611947 + ... + 231613890.

Almost surely, 2^450255513564 is an apocalyptic number.

It is an amenable number.

450255513564 is an abundant number, since it is smaller than the sum of its proper divisors (730043921660).

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

450255513564 is a wasteful number, since it uses less digits than its factorization.

450255513564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463225856 (or 463225842 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 450255513564 in words is "four hundred fifty billion, two hundred fifty-five million, five hundred thirteen thousand, five hundred sixty-four".