672484904640 has 224 divisors, whose sum is σ = 2448906577920. Its totient is φ = 173544422400.

The previous prime is 672484904633. The next prime is 672484904653. The reversal of 672484904640 is 46409484276.

672484904640 is a `hidden beast` number, since 6 + 72 + 4 + 8 + 490 + 46 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987546 + ... + 1523225.

Almost surely, 2^672484904640 is an apocalyptic number.

672484904640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672484904640 is an abundant number, since it is smaller than the sum of its proper divisors (1776421673280).

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

672484904640 is a wasteful number, since it uses less digits than its factorization.

672484904640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510828 (or 2510812 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 672484904640 in words is "six hundred seventy-two billion, four hundred eighty-four million, nine hundred four thousand, six hundred forty".