442885676994 has 64 divisors (see below), whose sum is σ = 1013263372800. Its totient is φ = 143287138944.

The previous prime is 442885676993. The next prime is 442885677043. The reversal of 442885676994 is 499676588244.

442885676994 is a `hidden beast` number, since 4 + 428 + 8 + 56 + 7 + 69 + 94 = 666.

It is a super-2 number, since 2×442885676994² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442885676993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546199 + ... + 1088165.

It is an arithmetic number, because the mean of its divisors is an integer number (15832240200).

Almost surely, 2^442885676994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442885676994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506631686400).

442885676994 is an abundant number, since it is smaller than the sum of its proper divisors (570377695806).

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

442885676994 is a wasteful number, since it uses less digits than its factorization.

442885676994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542424 (or 542418 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 72.

The spelling of 442885676994 in words is "four hundred forty-two billion, eight hundred eighty-five million, six hundred seventy-six thousand, nine hundred ninety-four".