7525448448 has 144 divisors (see below), whose sum is σ = 22989603840. Its totient is φ = 2140766208.

The previous prime is 7525448393. The next prime is 7525448459. The reversal of 7525448448 is 8448445257.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7525448448.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281936 + ... + 1287792.

Almost surely, 2^7525448448 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 7525448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11494801920).

7525448448 is an abundant number, since it is smaller than the sum of its proper divisors (15464155392).

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

7525448448 is a wasteful number, since it uses less digits than its factorization.

7525448448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122 (or 6108 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 51.

The square root of 7525448448 is about 86749.3426372788. The cubic root of 7525448448 is about 1959.6452613588.

The spelling of 7525448448 in words is "seven billion, five hundred twenty-five million, four hundred forty-eight thousand, four hundred forty-eight".