11440402143220 has 48 divisors (see below), whose sum is σ = 24304455963648. Its totient is φ = 4523206746240.

The previous prime is 11440402143217. The next prime is 11440402143257. The reversal of 11440402143220 is 2234120404411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8938062 + ... + 10137541.

It is an arithmetic number, because the mean of its divisors is an integer number (506342832576).

Almost surely, 2^{11440402143220} is an apocalyptic number.

11440402143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440402143220 is an abundant number, since it is smaller than the sum of its proper divisors (12864053820428).

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

11440402143220 is a wasteful number, since it uses less digits than its factorization.

11440402143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19075960 (or 19075958 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11440402143220 its reverse (2234120404411), we get a palindrome (13674522547631).

The spelling of 11440402143220 in words is "eleven trillion, four hundred forty billion, four hundred two million, one hundred forty-three thousand, two hundred twenty".