842571264 has 80 divisors (see below), whose sum is σ = 2362884480. Its totient is φ = 266065920.

The previous prime is 842571251. The next prime is 842571299. The reversal of 842571264 is 462175248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14749 + ... + 43619.

It is an arithmetic number, because the mean of its divisors is an integer number (29536056).

Almost surely, 2^842571264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842571264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181442240).

842571264 is an abundant number, since it is smaller than the sum of its proper divisors (1520313216).

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

842571264 is a wasteful number, since it uses less digits than its factorization.

842571264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28911 (or 28895 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 842571264 is about 29027.0781168205. The cubic root of 842571264 is about 944.5005484836.

The spelling of 842571264 in words is "eight hundred forty-two million, five hundred seventy-one thousand, two hundred sixty-four".