2015387268 has 12 divisors (see below), whose sum is σ = 4702570320. Its totient is φ = 671795752.

The previous prime is 2015387251. The next prime is 2015387273. The reversal of 2015387268 is 8627835102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83974458 + ... + 83974481.

It is an arithmetic number, because the mean of its divisors is an integer number (391880860).

Almost surely, 2^2015387268 is an apocalyptic number.

It is an amenable number.

2015387268 is an abundant number, since it is smaller than the sum of its proper divisors (2687183052).

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

2015387268 is a wasteful number, since it uses less digits than its factorization.

2015387268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167948946 (or 167948944 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2015387268 is about 44893.0648096117. The cubic root of 2015387268 is about 1263.1439225797.

The spelling of 2015387268 in words is "two billion, fifteen million, three hundred eighty-seven thousand, two hundred sixty-eight".