446668464 has 80 divisors (see below), whose sum is σ = 1313558784. Its totient is φ = 129465600.

The previous prime is 446668451. The next prime is 446668493. The reversal of 446668464 is 464866644.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 30534.

Almost surely, 2^446668464 is an apocalyptic number.

446668464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

446668464 is an abundant number, since it is smaller than the sum of its proper divisors (866890320).

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

446668464 is a wasteful number, since it uses less digits than its factorization.

446668464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826 (or 36820 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The square root of 446668464 is about 21134.5325001524. The cubic root of 446668464 is about 764.4136444109.

The spelling of 446668464 in words is "four hundred forty-six million, six hundred sixty-eight thousand, four hundred sixty-four".