402444163000 has 64 divisors (see below), whose sum is σ = 1027330218720. Its totient is φ = 146343328000.

The previous prime is 402444162997. The next prime is 402444163019. The reversal of 402444163000 is 361444204.

It is a super-2 number, since 2×402444163000² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402444163000.

It is a congruent number.

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, 18281917 + ... + 18303916.

Almost surely, 2^402444163000 is an apocalyptic number.

402444163000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402444163000 is an abundant number, since it is smaller than the sum of its proper divisors (624886055720).

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

402444163000 is a wasteful number, since it uses less digits than its factorization.

402444163000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585865 (or 36585851 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 402444163000 in words is "four hundred two billion, four hundred forty-four million, one hundred sixty-three thousand".