840670152 has 128 divisors (see below), whose sum is σ = 2498150400. Its totient is φ = 230688000.

The previous prime is 840670141. The next prime is 840670157. The reversal of 840670152 is 251076048.

840670152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (840670157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785874 + ... + 786942.

It is an arithmetic number, because the mean of its divisors is an integer number (19516800).

Almost surely, 2^840670152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840670152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249075200).

840670152 is an abundant number, since it is smaller than the sum of its proper divisors (1657480248).

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

840670152 is a wasteful number, since it uses less digits than its factorization.

840670152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 840670152 is about 28994.3124077809. The cubic root of 840670152 is about 943.7896477825.

The spelling of 840670152 in words is "eight hundred forty million, six hundred seventy thousand, one hundred fifty-two".