402220444080 has 160 divisors (see below), whose sum is σ = 1534625777664. Its totient is φ = 84864089088.

The previous prime is 402220443967. The next prime is 402220444169. The reversal of 402220444080 is 80444022204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9186504 + ... + 9230183.

Almost surely, 2^402220444080 is an apocalyptic number.

402220444080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402220444080 is an abundant number, since it is smaller than the sum of its proper divisors (1132405333584).

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

402220444080 is a wasteful number, since it uses less digits than its factorization.

402220444080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416723 (or 18416717 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 402220444080 its reverse (80444022204), we get a palindrome (482664466284).

The spelling of 402220444080 in words is "four hundred two billion, two hundred twenty million, four hundred forty-four thousand, eighty".