442873653672 has 32 divisors (see below), whose sum is σ = 1107303986880. Its totient is φ = 147608570880.

The previous prime is 442873653643. The next prime is 442873653689. The reversal of 442873653672 is 276356378244.

It is a super-2 number, since 2×442873653672² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771388 + ... + 1216875.

It is an arithmetic number, because the mean of its divisors is an integer number (34603249590).

Almost surely, 2^442873653672 is an apocalyptic number.

It is an amenable number.

442873653672 is an abundant number, since it is smaller than the sum of its proper divisors (664430333208).

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

442873653672 is a wasteful number, since it uses less digits than its factorization.

442873653672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997553 (or 1997549 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 57.

The spelling of 442873653672 in words is "four hundred forty-two billion, eight hundred seventy-three million, six hundred fifty-three thousand, six hundred seventy-two".