7252766240 has 48 divisors (see below), whose sum is σ = 17183334168. Its totient is φ = 2892865536.

The previous prime is 7252766239. The next prime is 7252766243. The reversal of 7252766240 is 426672527.

It can be written as a sum of positive squares in 4 ways, for example, as 6039776656 + 1212989584 = 77716^2 + 34828^2 .

It is not an unprimeable number, because it can be changed into a prime (7252766243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7727 + ... + 120686.

Almost surely, 2^7252766240 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 7252766240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8591667084).

7252766240 is an abundant number, since it is smaller than the sum of its proper divisors (9930567928).

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

7252766240 is a wasteful number, since it uses less digits than its factorization.

7252766240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128781 (or 128773 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 7252766240 is about 85163.1742010595. The cubic root of 7252766240 is about 1935.6844447331.

The spelling of 7252766240 in words is "seven billion, two hundred fifty-two million, seven hundred sixty-six thousand, two hundred forty".