442795720 has 32 divisors (see below), whose sum is σ = 1003907520. Its totient is φ = 175764160.

The previous prime is 442795699. The next prime is 442795733. The reversal of 442795720 is 27597244.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37012 + ... + 47491.

It is an arithmetic number, because the mean of its divisors is an integer number (31372110).

Almost surely, 2^442795720 is an apocalyptic number.

442795720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442795720 is an abundant number, since it is smaller than the sum of its proper divisors (561111800).

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

442795720 is a wasteful number, since it uses less digits than its factorization.

442795720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84645 (or 84641 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 442795720 is about 21042.7118024270. The cubic root of 442795720 is about 762.1979999058.

The spelling of 442795720 in words is "four hundred forty-two million, seven hundred ninety-five thousand, seven hundred twenty".