13440172470220 has 12 divisors (see below), whose sum is σ = 28224362187504. Its totient is φ = 5376068988080.

The previous prime is 13440172470211. The next prime is 13440172470269. The reversal of 13440172470220 is 2207427104431.

13440172470220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13440172470220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336004311736 + ... + 336004311775.

It is an arithmetic number, because the mean of its divisors is an integer number (2352030182292).

Almost surely, 2^{13440172470220} is an apocalyptic number.

13440172470220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440172470220 is an abundant number, since it is smaller than the sum of its proper divisors (14784189717284).

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

13440172470220 is a wasteful number, since it uses less digits than its factorization.

13440172470220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672008623520 (or 672008623518 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 13440172470220 its reverse (2207427104431), we get a palindrome (15647599574651).

The spelling of 13440172470220 in words is "thirteen trillion, four hundred forty billion, one hundred seventy-two million, four hundred seventy thousand, two hundred twenty".