2115946368 has 256 divisors, whose sum is σ = 6503112000. Its totient is φ = 676823040.

The previous prime is 2115946337. The next prime is 2115946369. The reversal of 2115946368 is 8636495112.

2115946368 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 9 + 4 + 636 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115946369) 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, 15444796 + ... + 15444932.

Almost surely, 2^2115946368 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 2115946368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251556000).

2115946368 is an abundant number, since it is smaller than the sum of its proper divisors (4387165632).

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

2115946368 is a wasteful number, since it uses less digits than its factorization.

2115946368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 292 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2115946368 is about 45999.4170397843. The cubic root of 2115946368 is about 1283.8123579407.

The spelling of 2115946368 in words is "two billion, one hundred fifteen million, nine hundred forty-six thousand, three hundred sixty-eight".