2531399376 has 60 divisors (see below), whose sum is σ = 7188005216. Its totient is φ = 767088960.

The previous prime is 2531399287. The next prime is 2531399383. The reversal of 2531399376 is 6739931352.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212116 + ... + 223731.

Almost surely, 2^2531399376 is an apocalyptic number.

It is an amenable number.

2531399376 is an abundant number, since it is smaller than the sum of its proper divisors (4656605840).

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

2531399376 is a wasteful number, since it uses less digits than its factorization.

2531399376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435880 (or 435863 counting only the distinct ones).

The product of its digits is 918540, while the sum is 48.

The square root of 2531399376 is about 50313.0139824678. The cubic root of 2531399376 is about 1362.8672524134.

The spelling of 2531399376 in words is "two billion, five hundred thirty-one million, three hundred ninety-nine thousand, three hundred seventy-six".