2321859340 has 24 divisors (see below), whose sum is σ = 4921478352. Its totient is φ = 920063040.

The previous prime is 2321859307. The next prime is 2321859343. The reversal of 2321859340 is 439581232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321859340.

It is not an unprimeable number, because it can be changed into a prime (2321859343) 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, 540351 + ... + 544630.

It is an arithmetic number, because the mean of its divisors is an integer number (205061598).

Almost surely, 2^2321859340 is an apocalyptic number.

2321859340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321859340 is an abundant number, since it is smaller than the sum of its proper divisors (2599619012).

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

2321859340 is a wasteful number, since it uses less digits than its factorization.

2321859340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085097 (or 1085095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2321859340 is about 48185.6756723406. The cubic root of 2321859340 is about 1324.1747494357.

The spelling of 2321859340 in words is "two billion, three hundred twenty-one million, eight hundred fifty-nine thousand, three hundred forty".