2240684955240 has 128 divisors (see below), whose sum is σ = 6808352140800. Its totient is φ = 589856359680.

The previous prime is 2240684955209. The next prime is 2240684955241. The reversal of 2240684955240 is 425594860422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2240684955241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12771231 + ... + 12945489.

It is an arithmetic number, because the mean of its divisors is an integer number (53190251100).

Almost surely, 2^{2240684955240} is an apocalyptic number.

2240684955240 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 2240684955240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3404176070400).

2240684955240 is an abundant number, since it is smaller than the sum of its proper divisors (4567667185560).

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

2240684955240 is a wasteful number, since it uses less digits than its factorization.

2240684955240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175647 (or 175643 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 2240684955240 in words is "two trillion, two hundred forty billion, six hundred eighty-four million, nine hundred fifty-five thousand, two hundred forty".