842272808 has 32 divisors (see below), whose sum is σ = 1704871560. Its totient is φ = 387797760.

The previous prime is 842272801. The next prime is 842272819. The reversal of 842272808 is 808272248.

It can be written as a sum of positive squares in 4 ways, for example, as 134606404 + 707666404 = 11602^2 + 26602^2 .

It is not an unprimeable number, because it can be changed into a prime (842272801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34166 + ... + 53402.

Almost surely, 2^842272808 is an apocalyptic number.

It is an amenable number.

842272808 is an abundant number, since it is smaller than the sum of its proper divisors (862598752).

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

842272808 is a wasteful number, since it uses less digits than its factorization.

842272808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677 (or 19673 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 842272808 is about 29021.9366686650. The cubic root of 842272808 is about 944.3890148333.

It can be divided in two parts, 842 and 272808, that multiplied together give a square (229704336 = 15156²).

The spelling of 842272808 in words is "eight hundred forty-two million, two hundred seventy-two thousand, eight hundred eight".