7515268540 has 48 divisors (see below), whose sum is σ = 17995848192. Its totient is φ = 2611639296.

The previous prime is 7515268517. The next prime is 7515268549. The reversal of 7515268540 is 458625157.

It is a super-2 number, since 2×7515268540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7515268549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845724 + ... + 854563.

It is an arithmetic number, because the mean of its divisors is an integer number (374913504).

Almost surely, 2^7515268540 is an apocalyptic number.

It is an amenable number.

7515268540 is an abundant number, since it is smaller than the sum of its proper divisors (10480579652).

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

7515268540 is a wasteful number, since it uses less digits than its factorization.

7515268540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700326 (or 1700324 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 7515268540 is about 86690.6485152810. The cubic root of 7515268540 is about 1958.7612382741.

The spelling of 7515268540 in words is "seven billion, five hundred fifteen million, two hundred sixty-eight thousand, five hundred forty".