440061636044045 has 8 divisors (see below), whose sum is σ = 528350008200696. Its totient is φ = 351865278870016.

The previous prime is 440061636044029. The next prime is 440061636044071. The reversal of 440061636044045 is 540440636160044.

It can be written as a sum of positive squares in 4 ways, for example, as 145097876652964 + 294963759391081 = 12045658^2 + 17174509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440061636044045 - 2⁴ = 440061636044029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23003735132 + ... + 23003754261.

It is an arithmetic number, because the mean of its divisors is an integer number (66043751025087).

Almost surely, 2^{440061636044045} is an apocalyptic number.

It is an amenable number.

440061636044045 is a deficient number, since it is larger than the sum of its proper divisors (88288372156651).

440061636044045 is a wasteful number, since it uses less digits than its factorization.

440061636044045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46007491311.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 440061636044045 in words is "four hundred forty trillion, sixty-one billion, six hundred thirty-six million, forty-four thousand, forty-five".