842653242 has 24 divisors (see below), whose sum is σ = 1826735040. Its totient is φ = 280732680.

The previous prime is 842653223. The next prime is 842653289. The reversal of 842653242 is 242356248.

842653242 is a `hidden beast` number, since 84 + 2 + 6 + 532 + 42 = 666.

It is a super-2 number, since 2×842653242² = 1420128972506221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 842653197 and 842653206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24559 + ... + 47837.

It is an arithmetic number, because the mean of its divisors is an integer number (76113960).

Almost surely, 2^842653242 is an apocalyptic number.

842653242 is an abundant number, since it is smaller than the sum of its proper divisors (984081798).

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

842653242 is a wasteful number, since it uses less digits than its factorization.

842653242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25298 (or 25295 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 842653242 is about 29028.4901777547. The cubic root of 842653242 is about 944.5311792280.

The spelling of 842653242 in words is "eight hundred forty-two million, six hundred fifty-three thousand, two hundred forty-two".