492720721783680 has 256 divisors, whose sum is σ = 1692534125721600. Its totient is φ = 121200807616512.

The previous prime is 492720721783669. The next prime is 492720721783709. The reversal of 492720721783680 is 86387127027294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29058367 + ... + 42776513.

It is an arithmetic number, because the mean of its divisors is an integer number (6611461428600).

Almost surely, 2^{492720721783680} is an apocalyptic number.

492720721783680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492720721783680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846267062860800).

492720721783680 is an abundant number, since it is smaller than the sum of its proper divisors (1199813403937920).

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

492720721783680 is a wasteful number, since it uses less digits than its factorization.

492720721783680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719621 (or 13719609 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 66.

The spelling of 492720721783680 in words is "four hundred ninety-two trillion, seven hundred twenty billion, seven hundred twenty-one million, seven hundred eighty-three thousand, six hundred eighty".