2240320240 has 20 divisors (see below), whose sum is σ = 5208744744. Its totient is φ = 896128064.

The previous prime is 2240320219. The next prime is 2240320241. The reversal of 2240320240 is 420230422.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240320241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14001922 + ... + 14002081.

Almost surely, 2^2240320240 is an apocalyptic number.

2240320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240320240 is an abundant number, since it is smaller than the sum of its proper divisors (2968424504).

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

2240320240 is a wasteful number, since it uses less digits than its factorization.

2240320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28004016 (or 28004010 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2240320240 is about 47332.0212963698. The cubic root of 2240320240 is about 1308.4888738587.

Adding to 2240320240 its reverse (420230422), we get a palindrome (2660550662).

The spelling of 2240320240 in words is "two billion, two hundred forty million, three hundred twenty thousand, two hundred forty".