442175280 has 80 divisors (see below), whose sum is σ = 1372840704. Its totient is φ = 117733120.

The previous prime is 442175269. The next prime is 442175317. The reversal of 442175280 is 82571244.

It is a tau number, because it is divible by the number of its divisors (80).

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, 246547 + ... + 248333.

Almost surely, 2^442175280 is an apocalyptic number.

442175280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442175280 is an abundant number, since it is smaller than the sum of its proper divisors (930665424).

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

442175280 is a wasteful number, since it uses less digits than its factorization.

442175280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 442175280 is about 21027.9642381282. The cubic root of 442175280 is about 761.8418393026.

The spelling of 442175280 in words is "four hundred forty-two million, one hundred seventy-five thousand, two hundred eighty".