2531790268 has 54 divisors (see below), whose sum is σ = 5224461144. Its totient is φ = 1051619328.

The previous prime is 2531790259. The next prime is 2531790271. The reversal of 2531790268 is 8620971352.

2531790268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2531790268² = 12819923922279023648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9851196 + ... + 9851452.

Almost surely, 2^2531790268 is an apocalyptic number.

2531790268 is a gapful number since it is divisible by the number (28) 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 2531790268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612230572).

2531790268 is an abundant number, since it is smaller than the sum of its proper divisors (2692670876).

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

2531790268 is an equidigital number, since it uses as much as digits as its factorization.

2531790268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2531790268 is about 50316.8984338264. The cubic root of 2531790268 is about 1362.9373989224.

The spelling of 2531790268 in words is "two billion, five hundred thirty-one million, seven hundred ninety thousand, two hundred sixty-eight".