842444680 has 64 divisors (see below), whose sum is σ = 2363230080. Its totient is φ = 262579200.

The previous prime is 842444677. The next prime is 842444689. The reversal of 842444680 is 86444248.

842444680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (842444689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133681 + ... + 139840.

It is an arithmetic number, because the mean of its divisors is an integer number (36925470).

Almost surely, 2^842444680 is an apocalyptic number.

It is an amenable number.

842444680 is an abundant number, since it is smaller than the sum of its proper divisors (1520785400).

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

842444680 is a wasteful number, since it uses less digits than its factorization.

842444680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273550 (or 273546 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The square root of 842444680 is about 29024.8975881053. The cubic root of 842444680 is about 944.4532469870.

The spelling of 842444680 in words is "eight hundred forty-two million, four hundred forty-four thousand, six hundred eighty".