7522331040 has 864 divisors, whose sum is σ = 32625815040. Its totient is φ = 1567641600.

The previous prime is 7522331039. The next prime is 7522331053. The reversal of 7522331040 is 401332257.

7522331040 is a `hidden beast` number, since 7 + 522 + 33 + 104 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7522330995 and 7522331013.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 41559750 + ... + 41559930.

It is an arithmetic number, because the mean of its divisors is an integer number (37761360).

Almost surely, 2^7522331040 is an apocalyptic number.

7522331040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7522331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16312907520).

7522331040 is an abundant number, since it is smaller than the sum of its proper divisors (25103484000).

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

7522331040 is a wasteful number, since it uses less digits than its factorization.

7522331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7522331040 is about 86731.3728704902. The cubic root of 7522331040 is about 1959.3746304190.

Adding to 7522331040 its reverse (401332257), we get a palindrome (7923663297).

The spelling of 7522331040 in words is "seven billion, five hundred twenty-two million, three hundred thirty-one thousand, forty".