842675140 has 48 divisors (see below), whose sum is σ = 1795575600. Its totient is φ = 332152832.

The previous prime is 842675101. The next prime is 842675161. The reversal of 842675140 is 41576248.

It can be written as a sum of positive squares in 8 ways, for example, as 165842884 + 676832256 = 12878^2 + 26016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 842675140.

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, 691812 + ... + 693028.

It is an arithmetic number, because the mean of its divisors is an integer number (37407825).

Almost surely, 2^842675140 is an apocalyptic number.

It is an amenable number.

842675140 is an abundant number, since it is smaller than the sum of its proper divisors (952900460).

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

842675140 is a wasteful number, since it uses less digits than its factorization.

842675140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 842675140 is about 29028.8673564781. The cubic root of 842675140 is about 944.5393609899.

The spelling of 842675140 in words is "eight hundred forty-two million, six hundred seventy-five thousand, one hundred forty".