2315610564140 has 72 divisors (see below), whose sum is σ = 5114590213488. Its totient is φ = 880536666240.

The previous prime is 2315610564131. The next prime is 2315610564143. The reversal of 2315610564140 is 414650165132.

It is a junction number, because it is equal to n+sod(n) for n = 2315610564094 and 2315610564103.

It is not an unprimeable number, because it can be changed into a prime (2315610564143) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1053170 + ... + 2395910.

Almost surely, 2^{2315610564140} is an apocalyptic number.

2315610564140 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 2315610564140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557295106744).

2315610564140 is an abundant number, since it is smaller than the sum of its proper divisors (2798979649348).

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

2315610564140 is a wasteful number, since it uses less digits than its factorization.

2315610564140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342959 (or 1342934 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 2315610564140 in words is "two trillion, three hundred fifteen billion, six hundred ten million, five hundred sixty-four thousand, one hundred forty".