442378505873244 has 48 divisors (see below), whose sum is σ = 1060866646509600. Its totient is φ = 143372282904576.

The previous prime is 442378505873233. The next prime is 442378505873387.

442378505873244 is nontrivially palindromic in base 10.

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, 352940049 + ... + 354191240.

It is an arithmetic number, because the mean of its divisors is an integer number (22101388468950).

Almost surely, 2^{442378505873244} is an apocalyptic number.

It is an amenable number.

442378505873244 is an abundant number, since it is smaller than the sum of its proper divisors (618488140636356).

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

442378505873244 is a wasteful number, since it uses less digits than its factorization.

442378505873244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707132742 (or 707132740 counting only the distinct ones).

The product of its (nonzero) digits is 722534400, while the sum is 66.

The spelling of 442378505873244 in words is "four hundred forty-two trillion, three hundred seventy-eight billion, five hundred five million, eight hundred seventy-three thousand, two hundred forty-four".