9122640912 has 240 divisors, whose sum is σ = 33703592832. Its totient is φ = 2230087680.

The previous prime is 9122640883. The next prime is 9122640937. The reversal of 9122640912 is 2190462219.

9122640912 is a `hidden beast` number, since 9 + 1 + 2 + 2 + 640 + 9 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 164298 + ... + 212694.

Almost surely, 2^9122640912 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 9122640912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16851796416).

9122640912 is an abundant number, since it is smaller than the sum of its proper divisors (24580951920).

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

9122640912 is a wasteful number, since it uses less digits than its factorization.

9122640912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48446 (or 48437 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9122640912 is about 95512.5170435792. The cubic root of 9122640912 is about 2089.4895017756.

The spelling of 9122640912 in words is "nine billion, one hundred twenty-two million, six hundred forty thousand, nine hundred twelve".