13353523221444 has 96 divisors (see below), whose sum is σ = 36687182542080. Its totient is φ = 3700465731072.

The previous prime is 13353523221397. The next prime is 13353523221487. The reversal of 13353523221444 is 44412232535331.

It is a super-2 number, since 2×13353523221444² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 13353523221396 and 13353523221405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5791579 + ... + 7762050.

It is an arithmetic number, because the mean of its divisors is an integer number (382158151480).

Almost surely, 2^{13353523221444} is an apocalyptic number.

13353523221444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13353523221444 is an abundant number, since it is smaller than the sum of its proper divisors (23333659320636).

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

13353523221444 is a wasteful number, since it uses less digits than its factorization.

13353523221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553997 (or 13553995 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

Adding to 13353523221444 its reverse (44412232535331), we get a palindrome (57765755756775).

The spelling of 13353523221444 in words is "thirteen trillion, three hundred fifty-three billion, five hundred twenty-three million, two hundred twenty-one thousand, four hundred forty-four".