442112004 has 36 divisors (see below), whose sum is σ = 1119846000. Its totient is φ = 147069360.

The previous prime is 442111997. The next prime is 442112059. The reversal of 442112004 is 400211244.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5659 + ... + 30269.

Almost surely, 2^442112004 is an apocalyptic number.

It is an amenable number.

442112004 is an abundant number, since it is smaller than the sum of its proper divisors (677733996).

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

442112004 is a wasteful number, since it uses less digits than its factorization.

442112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25120 (or 25115 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 442112004 is about 21026.4596163976. The cubic root of 442112004 is about 761.8054973013.

Adding to 442112004 its reverse (400211244), we get a palindrome (842323248).

The spelling of 442112004 in words is "four hundred forty-two million, one hundred twelve thousand, four".