9261540408 has 64 divisors (see below), whose sum is σ = 24024960000. Its totient is φ = 2972067840.

The previous prime is 9261540403. The next prime is 9261540413. The reversal of 9261540408 is 8040451629.

It is an interprime number because it is at equal distance from previous prime (9261540403) and next prime (9261540413).

It is a super-2 number, since 2×9261540408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261540403) 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 15 ways as a sum of consecutive naturals, for example, 111343 + ... + 175841.

It is an arithmetic number, because the mean of its divisors is an integer number (375390000).

Almost surely, 2^9261540408 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 9261540408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12012480000).

9261540408 is an abundant number, since it is smaller than the sum of its proper divisors (14763419592).

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

9261540408 is a wasteful number, since it uses less digits than its factorization.

9261540408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64732 (or 64728 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 9261540408 is about 96236.8973315329. The cubic root of 9261540408 is about 2100.0408463710.

The spelling of 9261540408 in words is "nine billion, two hundred sixty-one million, five hundred forty thousand, four hundred eight".