442035172 has 6 divisors (see below), whose sum is σ = 773561558. Its totient is φ = 221017584.

The previous prime is 442035161. The next prime is 442035179. The reversal of 442035172 is 271530244.

It can be written as a sum of positive squares in only one way, i.e., 388247616 + 53787556 = 19704^2 + 7334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442035172.

It is not an unprimeable number, because it can be changed into a prime (442035179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55254393 + ... + 55254400.

Almost surely, 2^442035172 is an apocalyptic number.

It is an amenable number.

442035172 is a deficient number, since it is larger than the sum of its proper divisors (331526386).

442035172 is a wasteful number, since it uses less digits than its factorization.

442035172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110508797 (or 110508795 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 442035172 is about 21024.6325057063. The cubic root of 442035172 is about 761.7613648715.

The spelling of 442035172 in words is "four hundred forty-two million, thirty-five thousand, one hundred seventy-two".