13851544272 has 20 divisors (see below), whose sum is σ = 35783156160. Its totient is φ = 4617181408.

The previous prime is 13851544271. The next prime is 13851544277. The reversal of 13851544272 is 27244515831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851544271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144286872 + ... + 144286967.

It is an arithmetic number, because the mean of its divisors is an integer number (1789157808).

Almost surely, 2^13851544272 is an apocalyptic number.

13851544272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13851544272 is an abundant number, since it is smaller than the sum of its proper divisors (21931611888).

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

13851544272 is a wasteful number, since it uses less digits than its factorization.

13851544272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288573850 (or 288573844 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The spelling of 13851544272 in words is "thirteen billion, eight hundred fifty-one million, five hundred forty-four thousand, two hundred seventy-two".