840056152 has 16 divisors (see below), whose sum is σ = 1696267440. Its totient is φ = 387718176.

The previous prime is 840056149. The next prime is 840056179. The reversal of 840056152 is 251650048.

It is a congruent number.

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, 4038628 + ... + 4038835.

It is an arithmetic number, because the mean of its divisors is an integer number (106016715).

Almost surely, 2^840056152 is an apocalyptic number.

It is an amenable number.

840056152 is an abundant number, since it is smaller than the sum of its proper divisors (856211288).

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

840056152 is a wasteful number, since it uses less digits than its factorization.

840056152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8077482 (or 8077478 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 840056152 is about 28983.7221902226. The cubic root of 840056152 is about 943.5598200355.

The spelling of 840056152 in words is "eight hundred forty million, fifty-six thousand, one hundred fifty-two".