2531772280 has 16 divisors (see below), whose sum is σ = 5696487720. Its totient is φ = 1012708896.

The previous prime is 2531772227. The next prime is 2531772281. The reversal of 2531772280 is 822771352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531772281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31647114 + ... + 31647193.

Almost surely, 2^2531772280 is an apocalyptic number.

2531772280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531772280 is an abundant number, since it is smaller than the sum of its proper divisors (3164715440).

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

2531772280 is a wasteful number, since it uses less digits than its factorization.

2531772280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63294318 (or 63294314 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2531772280 is about 50316.7196864025. The cubic root of 2531772280 is about 1362.9341710910.

The spelling of 2531772280 in words is "two billion, five hundred thirty-one million, seven hundred seventy-two thousand, two hundred eighty".