8640055122 has 8 divisors (see below), whose sum is σ = 17280110256. Its totient is φ = 2880018372.

The previous prime is 8640055121. The next prime is 8640055139. The reversal of 8640055122 is 2215500468.

It is a sphenic number, since it is the product of 3 distinct primes.

8640055122 is an admirable number.

It is a super-2 number, since 2×8640055122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8640055121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720004588 + ... + 720004599.

It is an arithmetic number, because the mean of its divisors is an integer number (2160013782).

Almost surely, 2^8640055122 is an apocalyptic number.

8640055122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8640055122 is a wasteful number, since it uses less digits than its factorization.

8640055122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440009192.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 8640055122 is about 92951.8968176551. The cubic root of 8640055122 is about 2051.9754997664.

The spelling of 8640055122 in words is "eight billion, six hundred forty million, fifty-five thousand, one hundred twenty-two".