2240404440 has 32 divisors (see below), whose sum is σ = 6721213680. Its totient is φ = 597441152.

The previous prime is 2240404423. The next prime is 2240404457. The reversal of 2240404440 is 444040422.

2240404440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2240404423) and next prime (2240404457).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2240404440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9334899 + ... + 9335138.

Almost surely, 2^2240404440 is an apocalyptic number.

2240404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240404440 is an abundant number, since it is smaller than the sum of its proper divisors (4480809240).

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

2240404440 is a wasteful number, since it uses less digits than its factorization.

2240404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670051 (or 18670047 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2240404440 is about 47332.9107492873. The cubic root of 2240404440 is about 1308.5052663639.

Adding to 2240404440 its reverse (444040422), we get a palindrome (2684444862).

The spelling of 2240404440 in words is "two billion, two hundred forty million, four hundred four thousand, four hundred forty".