402143410992 has 20 divisors (see below), whose sum is σ = 1038870478520. Its totient is φ = 134047803648.

The previous prime is 402143410979. The next prime is 402143411023. The reversal of 402143410992 is 299014341204.

It is a self number, because there is not a number n which added to its sum of digits gives 402143410992.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188993817 + ... + 4188993912.

It is an arithmetic number, because the mean of its divisors is an integer number (51943523926).

Almost surely, 2^402143410992 is an apocalyptic number.

It is an amenable number.

402143410992 is an abundant number, since it is smaller than the sum of its proper divisors (636727067528).

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

402143410992 is a wasteful number, since it uses less digits than its factorization.

402143410992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377987740 (or 8377987734 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 402143410992 in words is "four hundred two billion, one hundred forty-three million, four hundred ten thousand, nine hundred ninety-two".