18036067392 has 336 divisors, whose sum is σ = 61975105920. Its totient is φ = 5128510464.

The previous prime is 18036067391. The next prime is 18036067409. The reversal of 18036067392 is 29376063081.

18036067392 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 606 + 7 + 39 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (18036067391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24808533 + ... + 24809259.

It is an arithmetic number, because the mean of its divisors is an integer number (184449720).

Almost surely, 2^18036067392 is an apocalyptic number.

18036067392 is a gapful number since it is divisible by the number (12) 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 18036067392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30987552960).

18036067392 is an abundant number, since it is smaller than the sum of its proper divisors (43939038528).

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

18036067392 is a wasteful number, since it uses less digits than its factorization.

18036067392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 18036067392 in words is "eighteen billion, thirty-six million, sixty-seven thousand, three hundred ninety-two".