2240444540 has 24 divisors (see below), whose sum is σ = 4712232672. Its totient is φ = 894787520.

The previous prime is 2240444497. The next prime is 2240444543. The reversal of 2240444540 is 454440422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240444543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73631 + ... + 99510.

It is an arithmetic number, because the mean of its divisors is an integer number (196343028).

Almost surely, 2^2240444540 is an apocalyptic number.

2240444540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240444540 is an abundant number, since it is smaller than the sum of its proper divisors (2471788132).

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

2240444540 is a wasteful number, since it uses less digits than its factorization.

2240444540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173797 (or 173795 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 2240444540 is about 47333.3343427230. The cubic root of 2240444540 is about 1308.5130731014.

Adding to 2240444540 its reverse (454440422), we get a palindrome (2694884962).

The spelling of 2240444540 in words is "two billion, two hundred forty million, four hundred forty-four thousand, five hundred forty".