9611464640 has 112 divisors (see below), whose sum is σ = 24247754400. Its totient is φ = 3618680832.

The previous prime is 9611464631. The next prime is 9611464649. The reversal of 9611464640 is 464641169.

It is a happy number.

9611464640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9611464631) and next prime (9611464649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9611464649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949526 + ... + 959594.

Almost surely, 2^9611464640 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 9611464640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12123877200).

9611464640 is an abundant number, since it is smaller than the sum of its proper divisors (14636289760).

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

9611464640 is a wasteful number, since it uses less digits than its factorization.

9611464640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262 (or 10252 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 9611464640 is about 98038.0775005304. The cubic root of 9611464640 is about 2126.1628433217.

The spelling of 9611464640 in words is "nine billion, six hundred eleven million, four hundred sixty-four thousand, six hundred forty".