36645111444 has 72 divisors (see below), whose sum is σ = 91479380160. Its totient is φ = 11413519488.

The previous prime is 36645111427. The next prime is 36645111473. The reversal of 36645111444 is 44411154663.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258297 + ... + 374175.

Almost surely, 2^36645111444 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 36645111444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45739690080).

36645111444 is an abundant number, since it is smaller than the sum of its proper divisors (54834268716).

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

36645111444 is a wasteful number, since it uses less digits than its factorization.

36645111444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115997 (or 115976 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The spelling of 36645111444 in words is "thirty-six billion, six hundred forty-five million, one hundred eleven thousand, four hundred forty-four".