9252805440 has 168 divisors, whose sum is σ = 31006389600. Its totient is φ = 2337463296.

The previous prime is 9252805411. The next prime is 9252805469. The reversal of 9252805440 is 445082529.

It is an interprime number because it is at equal distance from previous prime (9252805411) and next prime (9252805469).

It is a super-2 number, since 2×9252805440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 333211 + ... + 359909.

Almost surely, 2^9252805440 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 9252805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15503194800).

9252805440 is an abundant number, since it is smaller than the sum of its proper divisors (21753584160).

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

9252805440 is a wasteful number, since it uses less digits than its factorization.

9252805440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26757 (or 26728 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 9252805440 is about 96191.5039907371. The cubic root of 9252805440 is about 2099.3804249309.

Adding to 9252805440 its reverse (445082529), we get a palindrome (9697887969).

The spelling of 9252805440 in words is "nine billion, two hundred fifty-two million, eight hundred five thousand, four hundred forty".