2115710740 has 48 divisors (see below), whose sum is σ = 5219746560. Its totient is φ = 710167680.

The previous prime is 2115710719. The next prime is 2115710761. The reversal of 2115710740 is 470175112.

It is an interprime number because it is at equal distance from previous prime (2115710719) and next prime (2115710761).

It is a junction number, because it is equal to n+sod(n) for n = 2115710699 and 2115710708.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 367020 + ... + 372739.

It is an arithmetic number, because the mean of its divisors is an integer number (108744720).

Almost surely, 2^2115710740 is an apocalyptic number.

2115710740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115710740 is an abundant number, since it is smaller than the sum of its proper divisors (3104035820).

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

2115710740 is a wasteful number, since it uses less digits than its factorization.

2115710740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739792 (or 739790 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 2115710740 is about 45996.8557621062. The cubic root of 2115710740 is about 1283.7647018230.

Adding to 2115710740 its reverse (470175112), we get a palindrome (2585885852).

The spelling of 2115710740 in words is "two billion, one hundred fifteen million, seven hundred ten thousand, seven hundred forty".