2440143684 has 96 divisors (see below), whose sum is σ = 6914678400. Its totient is φ = 738017280.

The previous prime is 2440143679. The next prime is 2440143709. The reversal of 2440143684 is 4863410442.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 731332 + ... + 734660.

It is an arithmetic number, because the mean of its divisors is an integer number (72027900).

Almost surely, 2^2440143684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440143684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457339200).

2440143684 is an abundant number, since it is smaller than the sum of its proper divisors (4474534716).

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

2440143684 is a wasteful number, since it uses less digits than its factorization.

2440143684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 2440143684 is about 49397.8105182811. The cubic root of 2440143684 is about 1346.2895246812.

The spelling of 2440143684 in words is "two billion, four hundred forty million, one hundred forty-three thousand, six hundred eighty-four".