18086269824 has 96 divisors (see below), whose sum is σ = 59480169840. Its totient is φ = 5167503360.

The previous prime is 18086269823. The next prime is 18086269837. The reversal of 18086269824 is 42896268081.

18086269824 is a `hidden beast` number, since 1 + 8 + 0 + 8 + 626 + 9 + 8 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×18086269824² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18086269823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113357 + ... + 1129484.

Almost surely, 2^18086269824 is an apocalyptic number.

18086269824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18086269824 is an abundant number, since it is smaller than the sum of its proper divisors (41393900016).

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

18086269824 is a wasteful number, since it uses less digits than its factorization.

18086269824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242868 (or 2242853 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 18086269824 in words is "eighteen billion, eighty-six million, two hundred sixty-nine thousand, eight hundred twenty-four".