13216477344 has 48 divisors (see below), whose sum is σ = 39649434048. Its totient is φ = 3776136192.

The previous prime is 13216477333. The next prime is 13216477403. The reversal of 13216477344 is 44377461231.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13216477296 and 13216477305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9833017 + ... + 9834360.

It is an arithmetic number, because the mean of its divisors is an integer number (826029876).

Almost surely, 2^13216477344 is an apocalyptic number.

13216477344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13216477344 is an abundant number, since it is smaller than the sum of its proper divisors (26432956704).

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

13216477344 is a wasteful number, since it uses less digits than its factorization.

13216477344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19667397 (or 19667389 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The spelling of 13216477344 in words is "thirteen billion, two hundred sixteen million, four hundred seventy-seven thousand, three hundred forty-four".