2440318851840 has 288 divisors, whose sum is σ = 7829090357760. Its totient is φ = 647809892352.

The previous prime is 2440318851809. The next prime is 2440318851857. The reversal of 2440318851840 is 481588130442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2440318851840.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 921917397 + ... + 921920043.

It is an arithmetic number, because the mean of its divisors is an integer number (27184341520).

Almost surely, 2^{2440318851840} is an apocalyptic number.

2440318851840 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 2440318851840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3914545178880).

2440318851840 is an abundant number, since it is smaller than the sum of its proper divisors (5388771505920).

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

2440318851840 is a wasteful number, since it uses less digits than its factorization.

2440318851840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 2440318851840 in words is "two trillion, four hundred forty billion, three hundred eighteen million, eight hundred fifty-one thousand, eight hundred forty".