402007801392 has 60 divisors (see below), whose sum is σ = 1135578155400. Its totient is φ = 132750234624.

The previous prime is 402007801373. The next prime is 402007801397. The reversal of 402007801392 is 293108700204.

It is a super-2 number, since 2×402007801392² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (402007801397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13030017 + ... + 13060832.

It is an arithmetic number, because the mean of its divisors is an integer number (18926302590).

Almost surely, 2^402007801392 is an apocalyptic number.

It is an amenable number.

402007801392 is an abundant number, since it is smaller than the sum of its proper divisors (733570354008).

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

402007801392 is a wasteful number, since it uses less digits than its factorization.

402007801392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26090970 (or 26090961 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 402007801392 in words is "four hundred two billion, seven million, eight hundred one thousand, three hundred ninety-two".