2540315132 has 18 divisors (see below), whose sum is σ = 4647243888. Its totient is φ = 1214932312.

The previous prime is 2540315053. The next prime is 2540315137. The reversal of 2540315132 is 2315130452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540315137) 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 5 ways as a sum of consecutive naturals, for example, 598148 + ... + 602379.

It is an arithmetic number, because the mean of its divisors is an integer number (258180216).

Almost surely, 2^2540315132 is an apocalyptic number.

It is an amenable number.

2540315132 is a deficient number, since it is larger than the sum of its proper divisors (2106928756).

2540315132 is a wasteful number, since it uses less digits than its factorization.

2540315132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200577 (or 1200552 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2540315132 is about 50401.5389844398. The cubic root of 2540315132 is about 1364.4654137984.

Adding to 2540315132 its reverse (2315130452), we get a palindrome (4855445584).

The spelling of 2540315132 in words is "two billion, five hundred forty million, three hundred fifteen thousand, one hundred thirty-two".