2315330640 has 480 divisors, whose sum is σ = 9585029376. Its totient is φ = 488816640.

The previous prime is 2315330609. The next prime is 2315330713. The reversal of 2315330640 is 460335132.

It is a happy number.

2315330640 is a `hidden beast` number, since 2 + 3 + 15 + 3 + 3 + 0 + 640 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5226259 + ... + 5226701.

Almost surely, 2^2315330640 is an apocalyptic number.

2315330640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315330640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4792514688).

2315330640 is an abundant number, since it is smaller than the sum of its proper divisors (7269698736).

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

2315330640 is a wasteful number, since it uses less digits than its factorization.

2315330640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2315330640 is about 48117.8827464385. The cubic root of 2315330640 is about 1322.9324612489.

Adding to 2315330640 its reverse (460335132), we get a palindrome (2775665772).

The spelling of 2315330640 in words is "two billion, three hundred fifteen million, three hundred thirty thousand, six hundred forty".