2115842344 has 96 divisors (see below), whose sum is σ = 5049315360. Its totient is φ = 821923200.

The previous prime is 2115842341. The next prime is 2115842347. The reversal of 2115842344 is 4432485112.

It is an interprime number because it is at equal distance from previous prime (2115842341) and next prime (2115842347).

It is not an unprimeable number, because it can be changed into a prime (2115842341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2332339 + ... + 2333245.

It is an arithmetic number, because the mean of its divisors is an integer number (52597035).

Almost surely, 2^2115842344 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 2115842344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524657680).

2115842344 is an abundant number, since it is smaller than the sum of its proper divisors (2933473016).

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

2115842344 is a wasteful number, since it uses less digits than its factorization.

2115842344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1468 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 2115842344 is about 45998.2863159053. The cubic root of 2115842344 is about 1283.7913193663.

The spelling of 2115842344 in words is "two billion, one hundred fifteen million, eight hundred forty-two thousand, three hundred forty-four".