2540250500 has 48 divisors (see below), whose sum is σ = 5874274224. Its totient is φ = 956326400.

The previous prime is 2540250469. The next prime is 2540250539. The reversal of 2540250500 is 50520452.

It can be written as a sum of positive squares in 8 ways, for example, as 147671104 + 2392579396 = 12152^2 + 48914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140927 + ... + 157926.

It is an arithmetic number, because the mean of its divisors is an integer number (122380713).

Almost surely, 2^2540250500 is an apocalyptic number.

2540250500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540250500 is an abundant number, since it is smaller than the sum of its proper divisors (3334023724).

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

2540250500 is a wasteful number, since it uses less digits than its factorization.

2540250500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298889 (or 298877 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2540250500 is about 50400.8978094637. The cubic root of 2540250500 is about 1364.4538418908.

Adding to 2540250500 its reverse (50520452), we get a palindrome (2590770952).

The spelling of 2540250500 in words is "two billion, five hundred forty million, two hundred fifty thousand, five hundred".