36640044345 has 32 divisors (see below), whose sum is σ = 61108629120. Its totient is φ = 18723461120.

The previous prime is 36640044341. The next prime is 36640044367. The reversal of 36640044345 is 54344004663.

It is not a de Polignac number, because 36640044345 - 2² = 36640044341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36640044341) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 264504 + ... + 378473.

It is an arithmetic number, because the mean of its divisors is an integer number (1909644660).

Almost surely, 2^36640044345 is an apocalyptic number.

It is an amenable number.

36640044345 is a deficient number, since it is larger than the sum of its proper divisors (24468584775).

36640044345 is a wasteful number, since it uses less digits than its factorization.

36640044345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643145.

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 36640044345 in words is "thirty-six billion, six hundred forty million, forty-four thousand, three hundred forty-five".