442913899122 has 48 divisors (see below), whose sum is σ = 985434404640. Its totient is φ = 147460982760.

The previous prime is 442913899121. The next prime is 442913899163. The reversal of 442913899122 is 221998319244.

It is a happy number.

442913899122 is a `hidden beast` number, since 4 + 429 + 1 + 3 + 8 + 99 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (442913899121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44810793 + ... + 44820675.

It is an arithmetic number, because the mean of its divisors is an integer number (20529883430).

Almost surely, 2^442913899122 is an apocalyptic number.

442913899122 is an abundant number, since it is smaller than the sum of its proper divisors (542520505518).

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

442913899122 is an frugal number, since it uses more digits than its factorization.

442913899122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716 (or 10799 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 442913899122 in words is "four hundred forty-two billion, nine hundred thirteen million, eight hundred ninety-nine thousand, one hundred twenty-two".