2315612780 has 48 divisors (see below), whose sum is σ = 5358660384. Its totient is φ = 835107840.

The previous prime is 2315612749. The next prime is 2315612833. The reversal of 2315612780 is 872165132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2315612780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92381 + ... + 114740.

It is an arithmetic number, because the mean of its divisors is an integer number (111638758).

Almost surely, 2^2315612780 is an apocalyptic number.

2315612780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315612780 is an abundant number, since it is smaller than the sum of its proper divisors (3043047604).

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

2315612780 is a wasteful number, since it uses less digits than its factorization.

2315612780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207186 (or 207184 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2315612780 is about 48120.8144153858. The cubic root of 2315612780 is about 1322.9861954036.

The spelling of 2315612780 in words is "two billion, three hundred fifteen million, six hundred twelve thousand, seven hundred eighty".