2315622388864 has 64 divisors (see below), whose sum is σ = 4686094771200. Its totient is φ = 1139534668800.

The previous prime is 2315622388771. The next prime is 2315622388889. The reversal of 2315622388864 is 4688832265132.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2315622388799 and 2315622388808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9753682 + ... + 9988270.

It is an arithmetic number, because the mean of its divisors is an integer number (73220230800).

Almost surely, 2^{2315622388864} 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 2315622388864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343047385600).

2315622388864 is an abundant number, since it is smaller than the sum of its proper divisors (2370472382336).

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

2315622388864 is a wasteful number, since it uses less digits than its factorization.

2315622388864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235821 (or 235809 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 58.

The spelling of 2315622388864 in words is "two trillion, three hundred fifteen billion, six hundred twenty-two million, three hundred eighty-eight thousand, eight hundred sixty-four".