8992080640 has 144 divisors (see below), whose sum is σ = 23364391680. Its totient is φ = 3302359040.

The previous prime is 8992080637. The next prime is 8992080641. The reversal of 8992080640 is 460802998.

It is not an unprimeable number, because it can be changed into a prime (8992080641) 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, 887121 + ... + 897199.

It is an arithmetic number, because the mean of its divisors is an integer number (162252720).

Almost surely, 2^8992080640 is an apocalyptic number.

8992080640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8992080640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11682195840).

8992080640 is an abundant number, since it is smaller than the sum of its proper divisors (14372311040).

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

8992080640 is a wasteful number, since it uses less digits than its factorization.

8992080640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 8992080640 is about 94826.5819272212. The cubic root of 8992080640 is about 2079.4735353979.

The spelling of 8992080640 in words is "eight billion, nine hundred ninety-two million, eighty thousand, six hundred forty".