2524172868 has 90 divisors (see below), whose sum is σ = 7676071326. Its totient is φ = 721187712.

The previous prime is 2524172867. The next prime is 2524172891. The reversal of 2524172868 is 8682714252.

It can be written as a sum of positive squares in only one way, i.e., 2439569664 + 84603204 = 49392^2 + 9198^2 .

It is not an unprimeable number, because it can be changed into a prime (2524172867) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 63621 + ... + 95372.

Almost surely, 2^2524172868 is an apocalyptic number.

2524172868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2524172868 is an abundant number, since it is smaller than the sum of its proper divisors (5151898458).

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

2524172868 is a wasteful number, since it uses less digits than its factorization.

2524172868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159023 (or 159005 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 2524172868 is about 50241.1471604700. The cubic root of 2524172868 is about 1361.5691353839.

The spelling of 2524172868 in words is "two billion, five hundred twenty-four million, one hundred seventy-two thousand, eight hundred sixty-eight".