453988664 has 16 divisors (see below), whose sum is σ = 855688320. Its totient is φ = 225805120.

The previous prime is 453988663. The next prime is 453988699. The reversal of 453988664 is 466889354.

It is a super-2 number, since 2×453988664² = 412211414081009792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453988663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147029 + ... + 150084.

It is an arithmetic number, because the mean of its divisors is an integer number (53480520).

Almost surely, 2^453988664 is an apocalyptic number.

It is an amenable number.

453988664 is a deficient number, since it is larger than the sum of its proper divisors (401699656).

453988664 is a wasteful number, since it uses less digits than its factorization.

453988664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297310 (or 297306 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 453988664 is about 21307.0097385813. The cubic root of 453988664 is about 768.5668874112.

The spelling of 453988664 in words is "four hundred fifty-three million, nine hundred eighty-eight thousand, six hundred sixty-four".