442054388815 has 16 divisors (see below), whose sum is σ = 571313979936. Its totient is φ = 326415196800.

The previous prime is 442054388807. The next prime is 442054388869. The reversal of 442054388815 is 518883450244.

It is not a de Polignac number, because 442054388815 - 2³ = 442054388807 is a prime.

It is a Duffinian number.

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, 619000 + ... + 1125730.

It is an arithmetic number, because the mean of its divisors is an integer number (35707123746).

Almost surely, 2^442054388815 is an apocalyptic number.

442054388815 is a deficient number, since it is larger than the sum of its proper divisors (129259591121).

442054388815 is a wasteful number, since it uses less digits than its factorization.

442054388815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520170.

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 442054388815 in words is "four hundred forty-two billion, fifty-four million, three hundred eighty-eight thousand, eight hundred fifteen".