2340444240 has 160 divisors (see below), whose sum is σ = 8172512640. Its totient is φ = 615527424.

The previous prime is 2340444203. The next prime is 2340444241. The reversal of 2340444240 is 424440432.

It is a happy number.

2340444240 is a `hidden beast` number, since 234 + 0 + 4 + 4 + 424 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340444241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150259 + ... + 165101.

It is an arithmetic number, because the mean of its divisors is an integer number (51078204).

Almost surely, 2^2340444240 is an apocalyptic number.

2340444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4086256320).

2340444240 is an abundant number, since it is smaller than the sum of its proper divisors (5832068400).

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

2340444240 is a wasteful number, since it uses less digits than its factorization.

2340444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14938 (or 14926 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2340444240 is about 48378.1380377542. The cubic root of 2340444240 is about 1327.6984031079.

Adding to 2340444240 its reverse (424440432), we get a palindrome (2764884672).

The spelling of 2340444240 in words is "two billion, three hundred forty million, four hundred forty-four thousand, two hundred forty".