3992865882432 has 56 divisors (see below), whose sum is σ = 12073665886656. Its totient is φ = 1140818823168.

The previous prime is 3992865882427. The next prime is 3992865882433. The reversal of 3992865882432 is 2342885682993.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992865882433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485439833 + ... + 1485442520.

Almost surely, 2^{3992865882432} is an apocalyptic number.

3992865882432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3992865882432 is an abundant number, since it is smaller than the sum of its proper divisors (8080800004224).

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

3992865882432 is a wasteful number, since it uses less digits than its factorization.

3992865882432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970882375 (or 2970882365 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 69.

The spelling of 3992865882432 in words is "three trillion, nine hundred ninety-two billion, eight hundred sixty-five million, eight hundred eighty-two thousand, four hundred thirty-two".