402401413232 has 40 divisors (see below), whose sum is σ = 959572604256. Its totient is φ = 159191767296.

The previous prime is 402401413199. The next prime is 402401413261. The reversal of 402401413232 is 232314104204.

It is a super-2 number, since 2×402401413232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 138185843 + ... + 138188754.

Almost surely, 2^402401413232 is an apocalyptic number.

It is an amenable number.

402401413232 is an abundant number, since it is smaller than the sum of its proper divisors (557171191024).

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

402401413232 is a wasteful number, since it uses less digits than its factorization.

402401413232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276374625 (or 276374619 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 402401413232 its reverse (232314104204), we get a palindrome (634715517436).

The spelling of 402401413232 in words is "four hundred two billion, four hundred one million, four hundred thirteen thousand, two hundred thirty-two".