2508686720 has 32 divisors (see below), whose sum is σ = 5997330720. Its totient is φ = 1003474432.

The previous prime is 2508686707. The next prime is 2508686723. The reversal of 2508686720 is 276868052.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508686723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959272 + ... + 1960551.

It is an arithmetic number, because the mean of its divisors is an integer number (187416585).

Almost surely, 2^2508686720 is an apocalyptic number.

2508686720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2508686720 is an abundant number, since it is smaller than the sum of its proper divisors (3488644000).

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

2508686720 is an equidigital number, since it uses as much as digits as its factorization.

2508686720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919842 (or 3919830 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2508686720 is about 50086.7918717101. The cubic root of 2508686720 is about 1358.7789501681.

The spelling of 2508686720 in words is "two billion, five hundred eight million, six hundred eighty-six thousand, seven hundred twenty".