442253320 has 32 divisors (see below), whose sum is σ = 1009091520. Its totient is φ = 174408640.

The previous prime is 442253293. The next prime is 442253327. The reversal of 442253320 is 23352244.

It is not an unprimeable number, because it can be changed into a prime (442253327) 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, 75022 + ... + 80701.

It is an arithmetic number, because the mean of its divisors is an integer number (31534110).

Almost surely, 2^442253320 is an apocalyptic number.

442253320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442253320 is an abundant number, since it is smaller than the sum of its proper divisors (566838200).

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

442253320 is a wasteful number, since it uses less digits than its factorization.

442253320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155805 (or 155801 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 442253320 is about 21029.8197804927. The cubic root of 442253320 is about 761.8866561000.

The spelling of 442253320 in words is "four hundred forty-two million, two hundred fifty-three thousand, three hundred twenty".