442433004 has 24 divisors (see below), whose sum is σ = 1111755120. Its totient is φ = 136133184.

The previous prime is 442432999. The next prime is 442433011. The reversal of 442433004 is 400334244.

It is a happy number.

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, 1417899 + ... + 1418210.

It is an arithmetic number, because the mean of its divisors is an integer number (46323130).

Almost surely, 2^442433004 is an apocalyptic number.

It is an amenable number.

442433004 is an abundant number, since it is smaller than the sum of its proper divisors (669322116).

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

442433004 is a wasteful number, since it uses less digits than its factorization.

442433004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836129 (or 2836127 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442433004 is about 21034.0914707529. The cubic root of 442433004 is about 761.9898249549.

Adding to 442433004 its reverse (400334244), we get a palindrome (842767248).

The spelling of 442433004 in words is "four hundred forty-two million, four hundred thirty-three thousand, four".