331993435246040 has 64 divisors (see below), whose sum is σ = 786306844591200. Its totient is φ = 125806982105088.

The previous prime is 331993435246003. The next prime is 331993435246043. The reversal of 331993435246040 is 40642534399133.

It is a super-2 number, since 2×331993435246040² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331993435246043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91872302 + ... + 95417538.

Almost surely, 2^{331993435246040} is an apocalyptic number.

It is an amenable number.

331993435246040 is an abundant number, since it is smaller than the sum of its proper divisors (454313409345160).

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

331993435246040 is a wasteful number, since it uses less digits than its factorization.

331993435246040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668484 (or 3668480 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 56.

The spelling of 331993435246040 in words is "three hundred thirty-one trillion, nine hundred ninety-three billion, four hundred thirty-five million, two hundred forty-six thousand, forty".