840596242 has 16 divisors (see below), whose sum is σ = 1269449280. Its totient is φ = 417454128.

The previous prime is 840596179. The next prime is 840596333. The reversal of 840596242 is 242695048.

It is a junction number, because it is equal to n+sod(n) for n = 840596195 and 840596204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289723 + ... + 292609.

It is an arithmetic number, because the mean of its divisors is an integer number (79340580).

Almost surely, 2^840596242 is an apocalyptic number.

840596242 is a deficient number, since it is larger than the sum of its proper divisors (428853038).

840596242 is a wasteful number, since it uses less digits than its factorization.

840596242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 840596242 is about 28993.0378194490. The cubic root of 840596242 is about 943.7619882868.

The spelling of 840596242 in words is "eight hundred forty million, five hundred ninety-six thousand, two hundred forty-two".