442201062644664 has 32 divisors (see below), whose sum is σ = 1170532224648720. Its totient is φ = 138729745143296.

The previous prime is 442201062644633. The next prime is 442201062644689. The reversal of 442201062644664 is 466446260102244.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 541913066559 + ... + 541913067374.

Almost surely, 2^{442201062644664} is an apocalyptic number.

It is an amenable number.

442201062644664 is an abundant number, since it is smaller than the sum of its proper divisors (728331162004056).

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

442201062644664 is a wasteful number, since it uses less digits than its factorization.

442201062644664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083826133959 (or 1083826133955 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 51.

The spelling of 442201062644664 in words is "four hundred forty-two trillion, two hundred one billion, sixty-two million, six hundred forty-four thousand, six hundred sixty-four".