2540273344 has 56 divisors (see below), whose sum is σ = 5817014528. Its totient is φ = 1078099200.

The previous prime is 2540273339. The next prime is 2540273363. The reversal of 2540273344 is 4433720452.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18619 + ... + 73669.

Almost surely, 2^2540273344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540273344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2908507264).

2540273344 is an abundant number, since it is smaller than the sum of its proper divisors (3276741184).

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

2540273344 is a wasteful number, since it uses less digits than its factorization.

2540273344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55173 (or 55163 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 2540273344 is about 50401.1244319013. The cubic root of 2540273344 is about 1364.4579319717.

Adding to 2540273344 its reverse (4433720452), we get a palindrome (6973993796).

The spelling of 2540273344 in words is "two billion, five hundred forty million, two hundred seventy-three thousand, three hundred forty-four".