18114804441 has 30 divisors (see below), whose sum is σ = 28025785502. Its totient is φ = 11660060160.

The previous prime is 18114804431. The next prime is 18114804443. The reversal of 18114804441 is 14440841181.

It can be written as a sum of positive squares in 3 ways, for example, as 2227462416 + 15887342025 = 47196^2 + 126045^2 .

It is not a de Polignac number, because 18114804441 - 2¹¹ = 18114802393 is a prime.

It is a super-2 number, since 2×18114804441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18114804396 and 18114804405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114804443) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 64840 + ... + 201081.

Almost surely, 2^18114804441 is an apocalyptic number.

It is an amenable number.

18114804441 is a deficient number, since it is larger than the sum of its proper divisors (9910981061).

18114804441 is an equidigital number, since it uses as much as digits as its factorization.

18114804441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265991 (or 265953 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The spelling of 18114804441 in words is "eighteen billion, one hundred fourteen million, eight hundred four thousand, four hundred forty-one".