2440234140 has 24 divisors (see below), whose sum is σ = 6832655760. Its totient is φ = 650729088.

The previous prime is 2440234127. The next prime is 2440234169. The reversal of 2440234140 is 414320442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440234140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20335225 + ... + 20335344.

It is an arithmetic number, because the mean of its divisors is an integer number (284693990).

Almost surely, 2^2440234140 is an apocalyptic number.

2440234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440234140 is an abundant number, since it is smaller than the sum of its proper divisors (4392421620).

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

2440234140 is a wasteful number, since it uses less digits than its factorization.

2440234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40670581 (or 40670579 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2440234140 is about 49398.7260969349. The cubic root of 2440234140 is about 1346.3061601033.

Adding to 2440234140 its reverse (414320442), we get a palindrome (2854554582).

The spelling of 2440234140 in words is "two billion, four hundred forty million, two hundred thirty-four thousand, one hundred forty".