2208840264 has 48 divisors (see below), whose sum is σ = 5989268220. Its totient is φ = 735419520.

The previous prime is 2208840251. The next prime is 2208840287. The reversal of 2208840264 is 4620488022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2102956164 + 105884100 = 45858^2 + 10290^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45654 + ... + 80634.

Almost surely, 2^2208840264 is an apocalyptic number.

2208840264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2208840264 is an abundant number, since it is smaller than the sum of its proper divisors (3780427956).

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

2208840264 is a wasteful number, since it uses less digits than its factorization.

2208840264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35870 (or 35863 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 2208840264 is about 46998.3006501299. The cubic root of 2208840264 is about 1302.3311750023.

The spelling of 2208840264 in words is "two billion, two hundred eight million, eight hundred forty thousand, two hundred sixty-four".