402401390608 has 40 divisors (see below), whose sum is σ = 891092470400. Its totient is φ = 172445967360.

The previous prime is 402401390579. The next prime is 402401390617. The reversal of 402401390608 is 806093104204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637893 + ... + 1867483.

It is an arithmetic number, because the mean of its divisors is an integer number (22277311760).

Almost surely, 2^402401390608 is an apocalyptic number.

It is an amenable number.

402401390608 is an abundant number, since it is smaller than the sum of its proper divisors (488691079792).

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

402401390608 is a wasteful number, since it uses less digits than its factorization.

402401390608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245255 (or 245249 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 402401390608 in words is "four hundred two billion, four hundred one million, three hundred ninety thousand, six hundred eight".