842525920 has 24 divisors (see below), whose sum is σ = 1990467864. Its totient is φ = 337010304.

The previous prime is 842525897. The next prime is 842525921. The reversal of 842525920 is 29525248.

It is a self number, because there is not a number n which added to its sum of digits gives 842525920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842525921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632734 + ... + 2633053.

It is an arithmetic number, because the mean of its divisors is an integer number (82936161).

Almost surely, 2^842525920 is an apocalyptic number.

842525920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

842525920 is an abundant number, since it is smaller than the sum of its proper divisors (1147941944).

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

842525920 is a wasteful number, since it uses less digits than its factorization.

842525920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265802 (or 5265794 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 842525920 is about 29026.2970425096. The cubic root of 842525920 is about 944.4836050301.

The spelling of 842525920 in words is "eight hundred forty-two million, five hundred twenty-five thousand, nine hundred twenty".