442165080 has 64 divisors (see below), whose sum is σ = 1515997440. Its totient is φ = 101066112.

The previous prime is 442165079. The next prime is 442165103. The reversal of 442165080 is 80561244.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262354 + ... + 264033.

It is an arithmetic number, because the mean of its divisors is an integer number (23687460).

Almost surely, 2^442165080 is an apocalyptic number.

442165080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442165080 is an abundant number, since it is smaller than the sum of its proper divisors (1073832360).

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

442165080 is a wasteful number, since it uses less digits than its factorization.

442165080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526408 (or 526404 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 442165080 is about 21027.7217025526. The cubic root of 442165080 is about 761.8359812588.

The spelling of 442165080 in words is "four hundred forty-two million, one hundred sixty-five thousand, eighty".