36644120 has 16 divisors (see below), whose sum is σ = 82449360. Its totient is φ = 14657632.

The previous prime is 36644117. The next prime is 36644131. The reversal of 36644120 is 2144663.

It is a self number, because there is not a number n which added to its sum of digits gives 36644120.

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 3 ways as a sum of consecutive naturals, for example, 458012 + ... + 458091.

It is an arithmetic number, because the mean of its divisors is an integer number (5153085).

Almost surely, 2^36644120 is an apocalyptic number.

It is an amenable number.

36644120 is an abundant number, since it is smaller than the sum of its proper divisors (45805240).

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

36644120 is a wasteful number, since it uses less digits than its factorization.

36644120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916114 (or 916110 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 36644120 is about 6053.4386921815. The cubic root of 36644120 is about 332.1503891173.

Adding to 36644120 its reverse (2144663), we get a palindrome (38788783).

The spelling of 36644120 in words is "thirty-six million, six hundred forty-four thousand, one hundred twenty".