7522138560 has 112 divisors (see below), whose sum is σ = 23961522816. Its totient is φ = 1999291392.

The previous prime is 7522138541. The next prime is 7522138571. The reversal of 7522138560 is 658312257.

It is a congruent number.

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, 281959 + ... + 307481.

It is an arithmetic number, because the mean of its divisors is an integer number (213942168).

Almost surely, 2^7522138560 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 7522138560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11980761408).

7522138560 is an abundant number, since it is smaller than the sum of its proper divisors (16439384256).

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

7522138560 is a wasteful number, since it uses less digits than its factorization.

7522138560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25850 (or 25840 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 7522138560 is about 86730.2632303166. The cubic root of 7522138560 is about 1959.3579182392.

It can be divided in two parts, 752 and 2138560, that added together give a palindrome (2139312).

The spelling of 7522138560 in words is "seven billion, five hundred twenty-two million, one hundred thirty-eight thousand, five hundred sixty".