842580342 has 48 divisors (see below), whose sum is σ = 1857503232. Its totient is φ = 275972400.

The previous prime is 842580337. The next prime is 842580371. The reversal of 842580342 is 243085248.

842580342 is a `hidden beast` number, since 8 + 42 + 580 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 842580297 and 842580306.

It is a congruent number.

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, 731467 + ... + 732617.

It is an arithmetic number, because the mean of its divisors is an integer number (38697984).

Almost surely, 2^842580342 is an apocalyptic number.

842580342 is an abundant number, since it is smaller than the sum of its proper divisors (1014922890).

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

842580342 is a wasteful number, since it uses less digits than its factorization.

842580342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 842580342 is about 29027.2344876325. The cubic root of 842580342 is about 944.5039405390.

The spelling of 842580342 in words is "eight hundred forty-two million, five hundred eighty thousand, three hundred forty-two".