4686721612800 has 132 divisors (see below), whose sum is σ = 15489859284216. Its totient is φ = 1249792409600.

The previous prime is 4686721612787. The next prime is 4686721612823. The reversal of 4686721612800 is 82161276864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30435711 + ... + 30589310.

Almost surely, 2^{4686721612800} is an apocalyptic number.

4686721612800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4686721612800 is an abundant number, since it is smaller than the sum of its proper divisors (10803137671416).

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

4686721612800 is a wasteful number, since it uses less digits than its factorization.

4686721612800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61025054 (or 61025031 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 4686721612800 in words is "four trillion, six hundred eighty-six billion, seven hundred twenty-one million, six hundred twelve thousand, eight hundred".