13332216440 has 16 divisors (see below), whose sum is σ = 29997487080. Its totient is φ = 5332886560.

The previous prime is 13332216421. The next prime is 13332216463. The reversal of 13332216440 is 4461223331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166652666 + ... + 166652745.

Almost surely, 2^13332216440 is an apocalyptic number.

13332216440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13332216440 is an abundant number, since it is smaller than the sum of its proper divisors (16665270640).

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

13332216440 is a wasteful number, since it uses less digits than its factorization.

13332216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333305422 (or 333305418 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13332216440 its reverse (4461223331), we get a palindrome (17793439771).

The spelling of 13332216440 in words is "thirteen billion, three hundred thirty-two million, two hundred sixteen thousand, four hundred forty".