36696515840 has 144 divisors (see below), whose sum is σ = 89124867216. Its totient is φ = 14475264000.

The previous prime is 36696515833. The next prime is 36696515873. The reversal of 36696515840 is 4851569663.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 553943296 + 36142572544 = 23536^2 + 190112^2 .

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 15 ways as a sum of consecutive naturals, for example, 48221060 + ... + 48221820.

It is an arithmetic number, because the mean of its divisors is an integer number (618922689).

Almost surely, 2^36696515840 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 36696515840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44562433608).

36696515840 is an abundant number, since it is smaller than the sum of its proper divisors (52428351376).

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

36696515840 is a wasteful number, since it uses less digits than its factorization.

36696515840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 36696515840 in words is "thirty-six billion, six hundred ninety-six million, five hundred fifteen thousand, eight hundred forty".