442881178880 has 72 divisors (see below), whose sum is σ = 1212387251712. Its totient is φ = 151844972544.

The previous prime is 442881178847. The next prime is 442881178897. The reversal of 442881178880 is 88871188244.

It is a super-2 number, since 2×442881178880² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24705392 + ... + 24723311.

Almost surely, 2^442881178880 is an apocalyptic number.

442881178880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442881178880 is an abundant number, since it is smaller than the sum of its proper divisors (769506072832).

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

442881178880 is an equidigital number, since it uses as much as digits as its factorization.

442881178880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49428731 (or 49428717 counting only the distinct ones).

The product of its (nonzero) digits is 7340032, while the sum is 59.

The spelling of 442881178880 in words is "four hundred forty-two billion, eight hundred eighty-one million, one hundred seventy-eight thousand, eight hundred eighty".