2015162340 has 96 divisors (see below), whose sum is σ = 5710172160. Its totient is φ = 530966016.

The previous prime is 2015162327. The next prime is 2015162377. The reversal of 2015162340 is 432615102.

It is a self number, because there is not a number n which added to its sum of digits gives 2015162340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2841906 + ... + 2842614.

It is an arithmetic number, because the mean of its divisors is an integer number (59480960).

Almost surely, 2^2015162340 is an apocalyptic number.

2015162340 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 2015162340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2855086080).

2015162340 is an abundant number, since it is smaller than the sum of its proper divisors (3695009820).

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

2015162340 is a wasteful number, since it uses less digits than its factorization.

2015162340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2015162340 is about 44890.5595866213. The cubic root of 2015162340 is about 1263.0969296252.

Adding to 2015162340 its reverse (432615102), we get a palindrome (2447777442).

The spelling of 2015162340 in words is "two billion, fifteen million, one hundred sixty-two thousand, three hundred forty".