36439740722 has 54 divisors (see below), whose sum is σ = 69929334909. Its totient is φ = 14189202720.

The previous prime is 36439740679. The next prime is 36439740749. The reversal of 36439740722 is 22704793463.

It can be written as a sum of positive squares in 2 ways, for example, as 24264604441 + 12175136281 = 155771^2 + 110341^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=134981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20786198 + ... + 20787950.

Almost surely, 2^36439740722 is an apocalyptic number.

36439740722 is a deficient number, since it is larger than the sum of its proper divisors (33489594187).

36439740722 is an equidigital number, since it uses as much as digits as its factorization.

36439740722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 36439740722 in words is "thirty-six billion, four hundred thirty-nine million, seven hundred forty thousand, seven hundred twenty-two".