2540500144 has 160 divisors (see below), whose sum is σ = 6389591040. Its totient is φ = 951008256.

The previous prime is 2540500141. The next prime is 2540500147. The reversal of 2540500144 is 4410050452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2540500141) and next prime (2540500147).

It is not an unprimeable number, because it can be changed into a prime (2540500141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3582862 + ... + 3583570.

It is an arithmetic number, because the mean of its divisors is an integer number (39934944).

Almost surely, 2^2540500144 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 2540500144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194795520).

2540500144 is an abundant number, since it is smaller than the sum of its proper divisors (3849090896).

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

2540500144 is a wasteful number, since it uses less digits than its factorization.

2540500144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2540500144 is about 50403.3743314870. The cubic root of 2540500144 is about 1364.4985378183.

Adding to 2540500144 its reverse (4410050452), we get a palindrome (6950550596).

The spelling of 2540500144 in words is "two billion, five hundred forty million, five hundred thousand, one hundred forty-four".