442425165 has 96 divisors (see below), whose sum is σ = 933851520. Its totient is φ = 176795136.

The previous prime is 442425157. The next prime is 442425167. The reversal of 442425165 is 561524244.

It is not a de Polignac number, because 442425165 - 2³ = 442425157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442425167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 180327 + ... + 182763.

It is an arithmetic number, because the mean of its divisors is an integer number (9727620).

Almost surely, 2^442425165 is an apocalyptic number.

It is an amenable number.

442425165 is an abundant number, since it is smaller than the sum of its proper divisors (491426355).

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

442425165 is a wasteful number, since it uses less digits than its factorization.

442425165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2484 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 442425165 is about 21033.9051295759. The cubic root of 442425165 is about 761.9853246325.

The spelling of 442425165 in words is "four hundred forty-two million, four hundred twenty-five thousand, one hundred sixty-five".