40144441343220 has 96 divisors (see below), whose sum is σ = 124914132483840. Its totient is φ = 10703443075200.

The previous prime is 40144441343213. The next prime is 40144441343233. The reversal of 40144441343220 is 2234314444104.

40144441343220 is a `hidden beast` number, since 4 + 0 + 14 + 4 + 4 + 413 + 4 + 3 + 220 = 666.

40144441343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40144441343220² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721507 + ... + 9364586.

It is an arithmetic number, because the mean of its divisors is an integer number (1301188880040).

Almost surely, 2^{40144441343220} is an apocalyptic number.

It is an amenable number.

40144441343220 is an abundant number, since it is smaller than the sum of its proper divisors (84769691140620).

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

40144441343220 is a wasteful number, since it uses less digits than its factorization.

40144441343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092262 (or 12092254 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 40144441343220 its reverse (2234314444104), we get a palindrome (42378755787324).

The spelling of 40144441343220 in words is "forty trillion, one hundred forty-four billion, four hundred forty-one million, three hundred forty-three thousand, two hundred twenty".