442221885688280 has 96 divisors (see below), whose sum is σ = 1044096089569200. Its totient is φ = 168446104033536.

The previous prime is 442221885688273. The next prime is 442221885688357. The reversal of 442221885688280 is 82886588122244.

It is a self number, because there is not a number n which added to its sum of digits gives 442221885688280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64362770 + ... + 70901409.

Almost surely, 2^{442221885688280} is an apocalyptic number.

442221885688280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442221885688280 is an abundant number, since it is smaller than the sum of its proper divisors (601874203880920).

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

442221885688280 is a wasteful number, since it uses less digits than its factorization.

442221885688280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135264321 (or 135264270 counting only the distinct ones).

The product of its (nonzero) digits is 251658240, while the sum is 68.

The spelling of 442221885688280 in words is "four hundred forty-two trillion, two hundred twenty-one billion, eight hundred eighty-five million, six hundred eighty-eight thousand, two hundred eighty".