2531988472 has 32 divisors (see below), whose sum is σ = 5128184880. Its totient is φ = 1165063680.

The previous prime is 2531988467. The next prime is 2531988523. The reversal of 2531988472 is 2748891352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353 + ... + 71200.

Almost surely, 2^2531988472 is an apocalyptic number.

It is an amenable number.

2531988472 is an abundant number, since it is smaller than the sum of its proper divisors (2596196408).

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

2531988472 is a wasteful number, since it uses less digits than its factorization.

2531988472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73903 (or 73899 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 2531988472 is about 50318.8679522900. The cubic root of 2531988472 is about 1362.9729643480.

The spelling of 2531988472 in words is "two billion, five hundred thirty-one million, nine hundred eighty-eight thousand, four hundred seventy-two".