13804218736 has 80 divisors (see below), whose sum is σ = 33815121408. Its totient is φ = 5302483200.

The previous prime is 13804218719. The next prime is 13804218763. The reversal of 13804218736 is 63781240831.

It is a super-2 number, since 2×13804218736² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13804218692 and 13804218701.

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, 8566 + ... + 166378.

Almost surely, 2^13804218736 is an apocalyptic number.

13804218736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13804218736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16907560704).

13804218736 is an abundant number, since it is smaller than the sum of its proper divisors (20010902672).

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

13804218736 is a wasteful number, since it uses less digits than its factorization.

13804218736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157910 (or 157904 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 13804218736 in words is "thirteen billion, eight hundred four million, two hundred eighteen thousand, seven hundred thirty-six".