36459636018 has 64 divisors (see below), whose sum is σ = 82043781120. Its totient is φ = 10717363008.

The previous prime is 36459635987. The next prime is 36459636043. The reversal of 36459636018 is 81063695463.

It is a happy number.

36459636018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1493055 + ... + 1517277.

It is an arithmetic number, because the mean of its divisors is an integer number (1281934080).

Almost surely, 2^36459636018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36459636018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41021890560).

36459636018 is an abundant number, since it is smaller than the sum of its proper divisors (45584145102).

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

36459636018 is a wasteful number, since it uses less digits than its factorization.

36459636018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 36459636018 in words is "thirty-six billion, four hundred fifty-nine million, six hundred thirty-six thousand, eighteen".