36644356452 has 96 divisors (see below), whose sum is σ = 93884313600. Its totient is φ = 11032240000.

The previous prime is 36644356451. The next prime is 36644356457. The reversal of 36644356452 is 25465344663.

It is not an unprimeable number, because it can be changed into a prime (36644356451) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15869074 + ... + 15871382.

It is an arithmetic number, because the mean of its divisors is an integer number (977961600).

Almost surely, 2^36644356452 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 36644356452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46942156800).

36644356452 is an abundant number, since it is smaller than the sum of its proper divisors (57239957148).

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

36644356452 is a wasteful number, since it uses less digits than its factorization.

36644356452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 48.

The spelling of 36644356452 in words is "thirty-six billion, six hundred forty-four million, three hundred fifty-six thousand, four hundred fifty-two".