442013412 has 12 divisors (see below), whose sum is σ = 1031364656. Its totient is φ = 147337800.

The previous prime is 442013393. The next prime is 442013441. The reversal of 442013412 is 214310244.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18417214 + ... + 18417237.

Almost surely, 2^442013412 is an apocalyptic number.

It is an amenable number.

442013412 is an abundant number, since it is smaller than the sum of its proper divisors (589351244).

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

442013412 is a wasteful number, since it uses less digits than its factorization.

442013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36834458 (or 36834456 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442013412 is about 21024.1150111009. The cubic root of 442013412 is about 761.7488649617.

Adding to 442013412 its reverse (214310244), we get a palindrome (656323656).

The spelling of 442013412 in words is "four hundred forty-two million, thirteen thousand, four hundred twelve".