442765332 has 24 divisors (see below), whose sum is σ = 1147910400. Its totient is φ = 147588408.

The previous prime is 442765331. The next prime is 442765363. The reversal of 442765332 is 233567244.

It is a super-2 number, since 2×442765332² = 392082278442140448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442765331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049732 + ... + 2049947.

It is an arithmetic number, because the mean of its divisors is an integer number (47829600).

Almost surely, 2^442765332 is an apocalyptic number.

It is an amenable number.

442765332 is an abundant number, since it is smaller than the sum of its proper divisors (705145068).

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

442765332 is a wasteful number, since it uses less digits than its factorization.

442765332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099692 (or 4099684 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 442765332 is about 21041.9897348136. The cubic root of 442765332 is about 762.1805635715.

The spelling of 442765332 in words is "four hundred forty-two million, seven hundred sixty-five thousand, three hundred thirty-two".