842552140 has 12 divisors (see below), whose sum is σ = 1769359536. Its totient is φ = 337020848.

The previous prime is 842552107. The next prime is 842552153. The reversal of 842552140 is 41255248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21063784 + ... + 21063823.

It is an arithmetic number, because the mean of its divisors is an integer number (147446628).

Almost surely, 2^842552140 is an apocalyptic number.

It is an amenable number.

842552140 is an abundant number, since it is smaller than the sum of its proper divisors (926807396).

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

842552140 is a wasteful number, since it uses less digits than its factorization.

842552140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42127616 (or 42127614 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 842552140 is about 29026.7486983989. The cubic root of 842552140 is about 944.4934025934.

The spelling of 842552140 in words is "eight hundred forty-two million, five hundred fifty-two thousand, one hundred forty".