2440220440 has 64 divisors (see below), whose sum is σ = 6279140160. Its totient is φ = 836075520.

The previous prime is 2440220437. The next prime is 2440220441. The reversal of 2440220440 is 440220442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440220441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724360 + ... + 727720.

It is an arithmetic number, because the mean of its divisors is an integer number (98111565).

Almost surely, 2^2440220440 is an apocalyptic number.

2440220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440220440 is an abundant number, since it is smaller than the sum of its proper divisors (3838919720).

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

2440220440 is a wasteful number, since it uses less digits than its factorization.

2440220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5968 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2440220440 is about 49398.5874291968. The cubic root of 2440220440 is about 1346.3036406144.

Adding to 2440220440 its reverse (440220442), we get a palindrome (2880440882).

The spelling of 2440220440 in words is "two billion, four hundred forty million, two hundred twenty thousand, four hundred forty".