2208664480 has 96 divisors (see below), whose sum is σ = 6027255360. Its totient is φ = 755896320.

The previous prime is 2208664477. The next prime is 2208664487. The reversal of 2208664480 is 844668022.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2208664487) 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, 6990 + ... + 66829.

It is an arithmetic number, because the mean of its divisors is an integer number (62783910).

Almost surely, 2^2208664480 is an apocalyptic number.

2208664480 is a gapful number since it is divisible by the number (20) 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 2208664480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013627680).

2208664480 is an abundant number, since it is smaller than the sum of its proper divisors (3818590880).

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

2208664480 is a wasteful number, since it uses less digits than its factorization.

2208664480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73862 (or 73854 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2208664480 is about 46996.4305027520. The cubic root of 2208664480 is about 1302.2966266981.

The spelling of 2208664480 in words is "two billion, two hundred eight million, six hundred sixty-four thousand, four hundred eighty".