453990664 has 16 divisors (see below), whose sum is σ = 852530220. Its totient is φ = 226649280.

The previous prime is 453990623. The next prime is 453990671. The reversal of 453990664 is 466099354.

It can be written as a sum of positive squares in 2 ways, for example, as 332770564 + 121220100 = 18242^2 + 11010^2 .

It is a super-2 number, since 2×453990664² = 412215045998321792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37639 + ... + 48214.

Almost surely, 2^453990664 is an apocalyptic number.

It is an amenable number.

453990664 is a deficient number, since it is larger than the sum of its proper divisors (398539556).

453990664 is a wasteful number, since it uses less digits than its factorization.

453990664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86520 (or 86516 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 453990664 is about 21307.0566714410. The cubic root of 453990664 is about 768.5680160235.

The spelling of 453990664 in words is "four hundred fifty-three million, nine hundred ninety thousand, six hundred sixty-four".