400013322413232 has 80 divisors (see below), whose sum is σ = 1176323762389248. Its totient is φ = 115945890551040.

The previous prime is 400013322413213. The next prime is 400013322413261. The reversal of 400013322413232 is 232314223310004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 400013322413232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16469574583 + ... + 16469598870.

Almost surely, 2^{400013322413232} is an apocalyptic number.

It is an amenable number.

400013322413232 is an abundant number, since it is smaller than the sum of its proper divisors (776310439976016).

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

400013322413232 is a wasteful number, since it uses less digits than its factorization.

400013322413232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939173498 (or 32939173492 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 400013322413232 its reverse (232314223310004), we get a palindrome (632327545723236).

The spelling of 400013322413232 in words is "four hundred trillion, thirteen billion, three hundred twenty-two million, four hundred thirteen thousand, two hundred thirty-two".