442373860 has 12 divisors (see below), whose sum is σ = 928985148. Its totient is φ = 176949536.

The previous prime is 442373821. The next prime is 442373861. The reversal of 442373860 is 68373244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 352237824 + 90136036 = 18768^2 + 9494^2 .

It is a super-2 number, since 2×442373860² = 391389264022599200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442373861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11059327 + ... + 11059366.

It is an arithmetic number, because the mean of its divisors is an integer number (77415429).

Almost surely, 2^442373860 is an apocalyptic number.

It is an amenable number.

442373860 is an abundant number, since it is smaller than the sum of its proper divisors (486611288).

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

442373860 is a wasteful number, since it uses less digits than its factorization.

442373860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22118702 (or 22118700 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 442373860 is about 21032.6855156445. The cubic root of 442373860 is about 761.9558694301.

The spelling of 442373860 in words is "four hundred forty-two million, three hundred seventy-three thousand, eight hundred sixty".