2531680000 has 90 divisors (see below), whose sum is σ = 6315215984. Its totient is φ = 1012608000.

The previous prime is 2531679973. The next prime is 2531680031. The reversal of 2531680000 is 861352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 152089 + ... + 167911.

Almost surely, 2^2531680000 is an apocalyptic number.

2531680000 is a gapful number since it is divisible by the number (20) 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 2531680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157607992).

2531680000 is an abundant number, since it is smaller than the sum of its proper divisors (3783535984).

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

2531680000 is an frugal number, since it uses more digits than its factorization.

2531680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15859 (or 15830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2531680000 is about 50315.8026866312. The cubic root of 2531680000 is about 1362.9176117959.

The spelling of 2531680000 in words is "two billion, five hundred thirty-one million, six hundred eighty thousand".