13822781240 has 16 divisors (see below), whose sum is σ = 31101257880. Its totient is φ = 5529112480.

The previous prime is 13822781233. The next prime is 13822781279. The reversal of 13822781240 is 4218722831.

It is a junction number, because it is equal to n+sod(n) for n = 13822781194 and 13822781203.

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, 172784726 + ... + 172784805.

Almost surely, 2^13822781240 is an apocalyptic number.

13822781240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13822781240 is an abundant number, since it is smaller than the sum of its proper divisors (17278476640).

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

13822781240 is a wasteful number, since it uses less digits than its factorization.

13822781240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345569542 (or 345569538 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 13822781240 in words is "thirteen billion, eight hundred twenty-two million, seven hundred eighty-one thousand, two hundred forty".