2315664340 has 48 divisors (see below), whose sum is σ = 5405097600. Its totient is φ = 826167680.

The previous prime is 2315664233. The next prime is 2315664359. The reversal of 2315664340 is 434665132.

It is a junction number, because it is equal to n+sod(n) for n = 2315664296 and 2315664305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87640 + ... + 110959.

It is an arithmetic number, because the mean of its divisors is an integer number (112606200).

Almost surely, 2^2315664340 is an apocalyptic number.

2315664340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315664340 is an abundant number, since it is smaller than the sum of its proper divisors (3089433260).

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

2315664340 is a wasteful number, since it uses less digits than its factorization.

2315664340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198672 (or 198670 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2315664340 is about 48121.3501473099. The cubic root of 2315664340 is about 1322.9960146420.

The spelling of 2315664340 in words is "two billion, three hundred fifteen million, six hundred sixty-four thousand, three hundred forty".