14271211638 has 72 divisors (see below), whose sum is σ = 33799111320. Its totient is φ = 4506619680.

The previous prime is 14271211627. The next prime is 14271211673. The reversal of 14271211638 is 83611217241.

14271211638 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 1 + 2 + 11 + 638 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 220698 + ... + 277938.

Almost surely, 2^14271211638 is an apocalyptic number.

14271211638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14271211638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16899555660).

14271211638 is an abundant number, since it is smaller than the sum of its proper divisors (19527899682).

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

14271211638 is an frugal number, since it uses more digits than its factorization.

14271211638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57286 (or 57265 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

Adding to 14271211638 its reverse (83611217241), we get a palindrome (97882428879).

The spelling of 14271211638 in words is "fourteen billion, two hundred seventy-one million, two hundred eleven thousand, six hundred thirty-eight".