2540000250 has 48 divisors (see below), whose sum is σ = 6868166760. Its totient is φ = 677332800.

The previous prime is 2540000189. The next prime is 2540000261. The reversal of 2540000250 is 520000452.

It can be written as a sum of positive squares in 4 ways, for example, as 1265296041 + 1274704209 = 35571^2 + 35703^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562195 + ... + 566694.

Almost surely, 2^2540000250 is an apocalyptic number.

2540000250 is an abundant number, since it is smaller than the sum of its proper divisors (4328166510).

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

2540000250 is a wasteful number, since it uses less digits than its factorization.

2540000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128912 (or 1128899 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2540000250 is about 50398.4151536534. The cubic root of 2540000250 is about 1364.4090345267.

The spelling of 2540000250 in words is "two billion, five hundred forty million, two hundred fifty", and thus it is an aban number.