442082660 has 24 divisors (see below), whose sum is σ = 953466360. Its totient is φ = 172053504.

The previous prime is 442082653. The next prime is 442082713. The reversal of 442082660 is 66280244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12432676 + 429649984 = 3526^2 + 20728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297965 + ... + 299444.

It is an arithmetic number, because the mean of its divisors is an integer number (39727765).

Almost surely, 2^442082660 is an apocalyptic number.

It is an amenable number.

442082660 is an abundant number, since it is smaller than the sum of its proper divisors (511383700).

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

442082660 is a wasteful number, since it uses less digits than its factorization.

442082660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597455 (or 597453 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 442082660 is about 21025.7618173516. The cubic root of 442082660 is about 761.7886426620.

The spelling of 442082660 in words is "four hundred forty-two million, eighty-two thousand, six hundred sixty".