842992040 has 32 divisors (see below), whose sum is σ = 2069163360. Its totient is φ = 306542400.

The previous prime is 842992037. The next prime is 842992043. The reversal of 842992040 is 40299248.

It is an interprime number because it is at equal distance from previous prime (842992037) and next prime (842992043).

It is a junction number, because it is equal to n+sod(n) for n = 842991985 and 842992003.

It is not an unprimeable number, because it can be changed into a prime (842992043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957506 + ... + 958385.

It is an arithmetic number, because the mean of its divisors is an integer number (64661355).

Almost surely, 2^842992040 is an apocalyptic number.

It is an amenable number.

842992040 is an abundant number, since it is smaller than the sum of its proper divisors (1226171320).

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

842992040 is a wasteful number, since it uses less digits than its factorization.

842992040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915913 (or 1915909 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 842992040 is about 29034.3252031109. The cubic root of 842992040 is about 944.6577486482.

The spelling of 842992040 in words is "eight hundred forty-two million, nine hundred ninety-two thousand, forty".