2508457660 has 24 divisors (see below), whose sum is σ = 5449409280. Its totient is φ = 968783424.

The previous prime is 2508457639. The next prime is 2508457663. The reversal of 2508457660 is 667548052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508457663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161884 + ... + 2163043.

It is an arithmetic number, because the mean of its divisors is an integer number (227058720).

Almost surely, 2^2508457660 is an apocalyptic number.

2508457660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2508457660 is an abundant number, since it is smaller than the sum of its proper divisors (2940951620).

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

2508457660 is a wasteful number, since it uses less digits than its factorization.

2508457660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324965 (or 4324963 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 2508457660 is about 50084.5051887308. The cubic root of 2508457660 is about 1358.7375936850.

The spelling of 2508457660 in words is "two billion, five hundred eight million, four hundred fifty-seven thousand, six hundred sixty".