842424588 has 72 divisors (see below), whose sum is σ = 2230676448. Its totient is φ = 267556608.

The previous prime is 842424563. The next prime is 842424601. The reversal of 842424588 is 885424248.

842424588 is a `hidden beast` number, since 8 + 42 + 4 + 24 + 588 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227520 + ... + 231192.

Almost surely, 2^842424588 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 842424588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115338224).

842424588 is an abundant number, since it is smaller than the sum of its proper divisors (1388251860).

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

842424588 is a wasteful number, since it uses less digits than its factorization.

842424588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983 (or 3978 counting only the distinct ones).

The product of its digits is 655360, while the sum is 45.

The square root of 842424588 is about 29024.5514694026. The cubic root of 842424588 is about 944.4457386382.

The spelling of 842424588 in words is "eight hundred forty-two million, four hundred twenty-four thousand, five hundred eighty-eight".