842446660 has 48 divisors (see below), whose sum is σ = 1966410432. Its totient is φ = 300560000.

The previous prime is 842446637. The next prime is 842446687. The reversal of 842446660 is 66644248.

842446660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24466 + ... + 47785.

It is an arithmetic number, because the mean of its divisors is an integer number (40966884).

Almost surely, 2^842446660 is an apocalyptic number.

It is an amenable number.

842446660 is an abundant number, since it is smaller than the sum of its proper divisors (1123963772).

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

842446660 is a wasteful number, since it uses less digits than its factorization.

842446660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72324 (or 72322 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 842446660 is about 29024.9316967327. The cubic root of 842446660 is about 944.4539869035.

The spelling of 842446660 in words is "eight hundred forty-two million, four hundred forty-six thousand, six hundred sixty".