2440023220 has 24 divisors (see below), whose sum is σ = 5125492008. Its totient is φ = 975734400.

The previous prime is 2440023211. The next prime is 2440023221. The reversal of 2440023220 is 223200442.

It can be written as a sum of positive squares in 4 ways, for example, as 42354064 + 2397669156 = 6508^2 + 48966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65250 + ... + 95590.

It is an arithmetic number, because the mean of its divisors is an integer number (213562167).

Almost surely, 2^2440023220 is an apocalyptic number.

2440023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440023220 is an abundant number, since it is smaller than the sum of its proper divisors (2685468788).

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

2440023220 is a wasteful number, since it uses less digits than its factorization.

2440023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34371 (or 34369 counting only the distinct ones).

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

The square root of 2440023220 is about 49396.5911779345. The cubic root of 2440023220 is about 1346.2673699626.

Adding to 2440023220 its reverse (223200442), we get a palindrome (2663223662).

The spelling of 2440023220 in words is "two billion, four hundred forty million, twenty-three thousand, two hundred twenty".