2688452250 has 256 divisors, whose sum is σ = 8030430720. Its totient is φ = 591360000.

The previous prime is 2688452231. The next prime is 2688452257. The reversal of 2688452250 is 522548862.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2688452257) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4066920 + ... + 4067580.

It is an arithmetic number, because the mean of its divisors is an integer number (31368870).

Almost surely, 2^2688452250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2688452250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4015215360).

2688452250 is an abundant number, since it is smaller than the sum of its proper divisors (5341978470).

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

2688452250 is a wasteful number, since it uses less digits than its factorization.

2688452250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 2688452250 is about 51850.2868844522. The cubic root of 2688452250 is about 1390.4886314117.

The spelling of 2688452250 in words is "two billion, six hundred eighty-eight million, four hundred fifty-two thousand, two hundred fifty".