13494472441856 has 256 divisors, whose sum is σ = 31302653291520. Its totient is φ = 5697947566080.

The previous prime is 13494472441823. The next prime is 13494472441927. The reversal of 13494472441856 is 65814427449431.

It is a tau number, because it is divible by the number of its divisors (256).

It is a super-2 number, since 2×13494472441856² (a number of 27 digits) contains 22 as substring.

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, 4985027255 + ... + 4985029961.

It is an arithmetic number, because the mean of its divisors is an integer number (122275989420).

Almost surely, 2^{13494472441856} is an apocalyptic number.

13494472441856 is a gapful number since it is divisible by the number (16) 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 13494472441856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15651326645760).

13494472441856 is an abundant number, since it is smaller than the sum of its proper divisors (17808180849664).

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

13494472441856 is an equidigital number, since it uses as much as digits as its factorization.

13494472441856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058 (or 3030 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 62.

The spelling of 13494472441856 in words is "thirteen trillion, four hundred ninety-four billion, four hundred seventy-two million, four hundred forty-one thousand, eight hundred fifty-six".