13402216324 has 12 divisors (see below), whose sum is σ = 26804432704. Its totient is φ = 5743806984.

The previous prime is 13402216313. The next prime is 13402216349. The reversal of 13402216324 is 42361220431.

It is a happy number.

13402216324 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 478650583 = 13402216324 / (1 + 3 + 4 + 0 + 2 + 2 + 1 + 6 + 3 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 13402216292 and 13402216301.

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, 239325264 + ... + 239325319.

Almost surely, 2^13402216324 is an apocalyptic number.

13402216324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13402216324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13402216324 is a wasteful number, since it uses less digits than its factorization.

13402216324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478650594 (or 478650592 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13402216324 its reverse (42361220431), we get a palindrome (55763436755).

The spelling of 13402216324 in words is "thirteen billion, four hundred two million, two hundred sixteen thousand, three hundred twenty-four".