331729746720 has 96 divisors (see below), whose sum is σ = 1062659787840. Its totient is φ = 86961914880.

The previous prime is 331729746713. The next prime is 331729746731. The reversal of 331729746720 is 27647927133.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×331729746720² (a number of 24 digits) contains 22 as substring.

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, 5828491 + ... + 5885130.

It is an arithmetic number, because the mean of its divisors is an integer number (11069372790).

Almost surely, 2^331729746720 is an apocalyptic number.

331729746720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331729746720 is an abundant number, since it is smaller than the sum of its proper divisors (730930041120).

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

331729746720 is a wasteful number, since it uses less digits than its factorization.

331729746720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713698 (or 11713690 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 51.

The spelling of 331729746720 in words is "three hundred thirty-one billion, seven hundred twenty-nine million, seven hundred forty-six thousand, seven hundred twenty".