2540531200 has 60 divisors (see below), whose sum is σ = 6294396240. Its totient is φ = 1016207360.

The previous prime is 2540531183. The next prime is 2540531207. The reversal of 2540531200 is 21350452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540531207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86440 + ... + 112039.

It is an arithmetic number, because the mean of its divisors is an integer number (104906604).

Almost surely, 2^2540531200 is an apocalyptic number.

2540531200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540531200 is an abundant number, since it is smaller than the sum of its proper divisors (3753865040).

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

2540531200 is an equidigital number, since it uses as much as digits as its factorization.

2540531200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198507 (or 198486 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2540531200 is about 50403.6824051577. The cubic root of 2540531200 is about 1364.5040978382.

Adding to 2540531200 its reverse (21350452), we get a palindrome (2561881652).

The spelling of 2540531200 in words is "two billion, five hundred forty million, five hundred thirty-one thousand, two hundred".