442432419839 has 8 divisors (see below), whose sum is σ = 443927885520. Its totient is φ = 440937582336.

The previous prime is 442432419823. The next prime is 442432419857. The reversal of 442432419839 is 938914234244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442432419839 - 2⁴ = 442432419823 is a prime.

It is a super-2 number, since 2×442432419839² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442432419899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275992 + ... + 1585250.

It is an arithmetic number, because the mean of its divisors is an integer number (55490985690).

Almost surely, 2^442432419839 is an apocalyptic number.

442432419839 is a deficient number, since it is larger than the sum of its proper divisors (1495465681).

442432419839 is a wasteful number, since it uses less digits than its factorization.

442432419839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314089.

The product of its digits is 5971968, while the sum is 53.

The spelling of 442432419839 in words is "four hundred forty-two billion, four hundred thirty-two million, four hundred nineteen thousand, eight hundred thirty-nine".