672452663040 has 108 divisors (see below), whose sum is σ = 2326616206824. Its totient is φ = 179320707072.

The previous prime is 672452663009. The next prime is 672452663041. The reversal of 672452663040 is 40366254276.

672452663040 is a `hidden beast` number, since 6 + 7 + 2 + 4 + 5 + 2 + 6 + 630 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672452663041) 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, 29174794 + ... + 29197833.

Almost surely, 2^672452663040 is an apocalyptic number.

672452663040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672452663040 is an abundant number, since it is smaller than the sum of its proper divisors (1654163543784).

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

672452663040 is a wasteful number, since it uses less digits than its factorization.

672452663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58372654 (or 58372637 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 672452663040 in words is "six hundred seventy-two billion, four hundred fifty-two million, six hundred sixty-three thousand, forty".