442123464 has 32 divisors (see below), whose sum is σ = 1163484000. Its totient is φ = 139617792.

The previous prime is 442123453. The next prime is 442123537. The reversal of 442123464 is 464321244.

It is a nude number because it is divisible by every one of its digits.

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, 484329 + ... + 485240.

It is an arithmetic number, because the mean of its divisors is an integer number (36358875).

Almost surely, 2^442123464 is an apocalyptic number.

It is an amenable number.

442123464 is an abundant number, since it is smaller than the sum of its proper divisors (721360536).

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

442123464 is a wasteful number, since it uses less digits than its factorization.

442123464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969597 (or 969593 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 442123464 is about 21026.7321284122. The cubic root of 442123464 is about 761.8120795063.

The spelling of 442123464 in words is "four hundred forty-two million, one hundred twenty-three thousand, four hundred sixty-four".