442152417 has 16 divisors (see below), whose sum is σ = 674472960. Its totient is φ = 252389712.

The previous prime is 442152397. The next prime is 442152433. The reversal of 442152417 is 714251244.

It is not a de Polignac number, because 442152417 - 2⁶ = 442152353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442152817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9934 + ... + 31352.

It is an arithmetic number, because the mean of its divisors is an integer number (42154560).

Almost surely, 2^442152417 is an apocalyptic number.

It is an amenable number.

442152417 is a deficient number, since it is larger than the sum of its proper divisors (232320543).

442152417 is a wasteful number, since it uses less digits than its factorization.

442152417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22412.

The product of its digits is 8960, while the sum is 30.

The square root of 442152417 is about 21027.4205978765. The cubic root of 442152417 is about 761.8287085443.

The spelling of 442152417 in words is "four hundred forty-two million, one hundred fifty-two thousand, four hundred seventeen".