36539828612 has 72 divisors (see below), whose sum is σ = 76270685400. Its totient is φ = 15263592960.

The previous prime is 36539828609. The next prime is 36539828627. The reversal of 36539828612 is 21682893563.

It can be written as a sum of positive squares in 4 ways, for example, as 1367076676 + 35172751936 = 36974^2 + 187544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15660998 + ... + 15663330.

It is an arithmetic number, because the mean of its divisors is an integer number (1059315075).

Almost surely, 2^36539828612 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 36539828612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38135342700).

36539828612 is an abundant number, since it is smaller than the sum of its proper divisors (39730856788).

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

36539828612 is a wasteful number, since it uses less digits than its factorization.

36539828612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4332 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The spelling of 36539828612 in words is "thirty-six billion, five hundred thirty-nine million, eight hundred twenty-eight thousand, six hundred twelve".