13322469840 has 80 divisors (see below), whose sum is σ = 42260146368. Its totient is φ = 3470035968.

The previous prime is 13322469829. The next prime is 13322469859. The reversal of 13322469840 is 4896422331.

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

It is a junction number, because it is equal to n+sod(n) for n = 13322469792 and 13322469801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635149 + ... + 655788.

Almost surely, 2^13322469840 is an apocalyptic number.

13322469840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13322469840 is an abundant number, since it is smaller than the sum of its proper divisors (28937676528).

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

13322469840 is a wasteful number, since it uses less digits than its factorization.

13322469840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290996 (or 1290990 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 13322469840 in words is "thirteen billion, three hundred twenty-two million, four hundred sixty-nine thousand, eight hundred forty".