442529344439 has 18 divisors (see below), whose sum is σ = 557423460720. Its totient is φ = 350133101136.

The previous prime is 442529344403. The next prime is 442529344441. The reversal of 442529344439 is 934443925244.

It is a happy number.

It is not a de Polignac number, because 442529344439 - 2²⁰ = 442528295863 is a prime.

It is a super-2 number, since 2×442529344439² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442529341439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26711279 + ... + 26727840.

It is an arithmetic number, because the mean of its divisors is an integer number (30967970040).

Almost surely, 2^442529344439 is an apocalyptic number.

442529344439 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

442529344439 is a deficient number, since it is larger than the sum of its proper divisors (114894116281).

442529344439 is a wasteful number, since it uses less digits than its factorization.

442529344439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53439159 (or 53439139 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 53.

The spelling of 442529344439 in words is "four hundred forty-two billion, five hundred twenty-nine million, three hundred forty-four thousand, four hundred thirty-nine".