36516640045 has 4 divisors (see below), whose sum is σ = 43819968060. Its totient is φ = 29213312032.

The previous prime is 36516640021. The next prime is 36516640049. The reversal of 36516640045 is 54004661563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15428372521 + 21088267524 = 124211^2 + 145218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36516640045 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36516640049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651664000 + ... + 3651664009.

It is an arithmetic number, because the mean of its divisors is an integer number (10954992015).

Almost surely, 2^36516640045 is an apocalyptic number.

It is an amenable number.

36516640045 is a deficient number, since it is larger than the sum of its proper divisors (7303328015).

36516640045 is an equidigital number, since it uses as much as digits as its factorization.

36516640045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303328014.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 36516640045 in words is "thirty-six billion, five hundred sixteen million, six hundred forty thousand, forty-five".