840613452 has 24 divisors (see below), whose sum is σ = 2241636096. Its totient is φ = 240175248.

The previous prime is 840613451. The next prime is 840613457. The reversal of 840613452 is 254316048.

840613452 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 (840613451) 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, 5003568 + ... + 5003735.

It is an arithmetic number, because the mean of its divisors is an integer number (93401504).

Almost surely, 2^840613452 is an apocalyptic number.

It is an amenable number.

840613452 is an abundant number, since it is smaller than the sum of its proper divisors (1401022644).

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

840613452 is a wasteful number, since it uses less digits than its factorization.

840613452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007317 (or 10007315 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 840613452 is about 28993.3346133210. The cubic root of 840613452 is about 943.7684289663.

The spelling of 840613452 in words is "eight hundred forty million, six hundred thirteen thousand, four hundred fifty-two".