442112104 has 24 divisors (see below), whose sum is σ = 964301490. Its totient is φ = 189476448.

The previous prime is 442112089. The next prime is 442112117. The reversal of 442112104 is 401211244.

It can be written as a sum of positive squares in only one way, i.e., 240188004 + 201924100 = 15498^2 + 14210^2 .

It is a super-2 number, since 2×442112104² = 390926225006613632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563527 + ... + 564310.

Almost surely, 2^442112104 is an apocalyptic number.

It is an amenable number.

442112104 is an abundant number, since it is smaller than the sum of its proper divisors (522189386).

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

442112104 is a wasteful number, since it uses less digits than its factorization.

442112104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127857 (or 1127846 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 442112104 is about 21026.4619943537. The cubic root of 442112104 is about 761.8055547381.

Adding to 442112104 its reverse (401211244), we get a palindrome (843323348).

The spelling of 442112104 in words is "four hundred forty-two million, one hundred twelve thousand, one hundred four".