442870476 has 12 divisors (see below), whose sum is σ = 1033364472. Its totient is φ = 147623488.

The previous prime is 442870457. The next prime is 442870481. The reversal of 442870476 is 674078244.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×442870476² = 392268517024933152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18452925 + ... + 18452948.

It is an arithmetic number, because the mean of its divisors is an integer number (86113706).

Almost surely, 2^442870476 is an apocalyptic number.

It is an amenable number.

442870476 is an abundant number, since it is smaller than the sum of its proper divisors (590493996).

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

442870476 is a wasteful number, since it uses less digits than its factorization.

442870476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36905880 (or 36905878 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 442870476 is about 21044.4880194316. The cubic root of 442870476 is about 762.2408907656.

The spelling of 442870476 in words is "four hundred forty-two million, eight hundred seventy thousand, four hundred seventy-six".