36615218244 has 96 divisors (see below), whose sum is σ = 93869145216. Its totient is φ = 11016391680.

The previous prime is 36615218209. The next prime is 36615218261. The reversal of 36615218244 is 44281251663.

It is a junction number, because it is equal to n+sod(n) for n = 36615218196 and 36615218205.

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, 15939304 + ... + 15941600.

It is an arithmetic number, because the mean of its divisors is an integer number (977803596).

Almost surely, 2^36615218244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36615218244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46934572608).

36615218244 is an abundant number, since it is smaller than the sum of its proper divisors (57253926972).

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

36615218244 is a wasteful number, since it uses less digits than its factorization.

36615218244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3123 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 36615218244 in words is "thirty-six billion, six hundred fifteen million, two hundred eighteen thousand, two hundred forty-four".