442330412 has 72 divisors (see below), whose sum is σ = 890223264. Its totient is φ = 191476224.

The previous prime is 442330391. The next prime is 442330481. The reversal of 442330412 is 214033244.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 908033 + ... + 908519.

It is an arithmetic number, because the mean of its divisors is an integer number (12364212).

Almost surely, 2^442330412 is an apocalyptic number.

It is an amenable number.

442330412 is an abundant number, since it is smaller than the sum of its proper divisors (447892852).

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

442330412 is a wasteful number, since it uses less digits than its factorization.

442330412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442330412 is about 21031.6526217033. The cubic root of 442330412 is about 761.9309233038.

Adding to 442330412 its reverse (214033244), we get a palindrome (656363656).

The spelling of 442330412 in words is "four hundred forty-two million, three hundred thirty thousand, four hundred twelve".