14211312240 has 80 divisors (see below), whose sum is σ = 45245773728. Its totient is φ = 3687257088.

The previous prime is 14211312239. The next prime is 14211312259. The reversal of 14211312240 is 4221311241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×14211312240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 791307 + ... + 809066.

Almost surely, 2^14211312240 is an apocalyptic number.

14211312240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14211312240 is an abundant number, since it is smaller than the sum of its proper divisors (31034461488).

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

14211312240 is a wasteful number, since it uses less digits than its factorization.

14211312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600426 (or 1600420 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 14211312240 its reverse (4221311241), we get a palindrome (18432623481).

Subtracting from 14211312240 its reverse (4221311241), we obtain a palindrome (9990000999).

The spelling of 14211312240 in words is "fourteen billion, two hundred eleven million, three hundred twelve thousand, two hundred forty".