842022793924 has 81 divisors (see below), whose sum is σ = 1653885517557. Its totient is φ = 374916691968.

The previous prime is 842022793897. The next prime is 842022793973. The reversal of 842022793924 is 429397220248.

The square root of 842022793924 is 917618.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 789819683524 + 52203110400 = 888718^2 + 228480^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 691883364 + ... + 691884580.

Almost surely, 2^842022793924 is an apocalyptic number.

842022793924 is the 917618-th square number.

It is an amenable number.

842022793924 is a deficient number, since it is larger than the sum of its proper divisors (811862723633).

842022793924 is a wasteful number, since it uses less digits than its factorization.

842022793924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 842022793924 in words is "eight hundred forty-two billion, twenty-two million, seven hundred ninety-three thousand, nine hundred twenty-four".