2240404304 has 20 divisors (see below), whose sum is σ = 4569246240. Its totient is φ = 1061244000.

The previous prime is 2240404297. The next prime is 2240404351. The reversal of 2240404304 is 4034040422.

It is a super-2 number, since 2×2240404304² = 10038822890763448832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2240404304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3684572 + ... + 3685179.

It is an arithmetic number, because the mean of its divisors is an integer number (228462312).

Almost surely, 2^2240404304 is an apocalyptic number.

It is an amenable number.

2240404304 is an abundant number, since it is smaller than the sum of its proper divisors (2328841936).

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

2240404304 is a wasteful number, since it uses less digits than its factorization.

2240404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369778 (or 7369772 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2240404304 is about 47332.9093126548. The cubic root of 2240404304 is about 1308.5052398870.

Adding to 2240404304 its reverse (4034040422), we get a palindrome (6274444726).

The spelling of 2240404304 in words is "two billion, two hundred forty million, four hundred four thousand, three hundred four".