2515169272 has 128 divisors (see below), whose sum is σ = 6139929600. Its totient is φ = 937497600.

The previous prime is 2515169197. The next prime is 2515169297. The reversal of 2515169272 is 2729615152.

It is a happy number.

It is a congruent number.

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, 1337629 + ... + 1339507.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^2515169272 is an apocalyptic number.

2515169272 is a gapful number since it is divisible by the number (22) 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 2515169272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069964800).

2515169272 is an abundant number, since it is smaller than the sum of its proper divisors (3624760328).

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

2515169272 is a wasteful number, since it uses less digits than its factorization.

2515169272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 2515169272 is about 50151.4633086613. The cubic root of 2515169272 is about 1359.9483241611.

The spelling of 2515169272 in words is "two billion, five hundred fifteen million, one hundred sixty-nine thousand, two hundred seventy-two".