400422993562992 has 80 divisors (see below), whose sum is σ = 1079405286640128. Its totient is φ = 127670605751040.

The previous prime is 400422993562987. The next prime is 400422993562993. The reversal of 400422993562992 is 299265399224004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400422993562993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377105173 + ... + 378165515.

Almost surely, 2^{400422993562992} is an apocalyptic number.

It is an amenable number.

400422993562992 is an abundant number, since it is smaller than the sum of its proper divisors (678982293077136).

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

400422993562992 is a wasteful number, since it uses less digits than its factorization.

400422993562992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402438 (or 1402432 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 66.

The spelling of 400422993562992 in words is "four hundred trillion, four hundred twenty-two billion, nine hundred ninety-three million, five hundred sixty-two thousand, nine hundred ninety-two".