440661471131627 has 4 divisors (see below), whose sum is σ = 441931388916216. Its totient is φ = 439391553347040.

The previous prime is 440661471131603. The next prime is 440661471131677. The reversal of 440661471131627 is 726131174166044.

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

It is a cyclic number.

It is not a de Polignac number, because 440661471131627 - 2⁴⁰ = 439561959503851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440661471131677) 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, 634958891774 + ... + 634958892467.

It is an arithmetic number, because the mean of its divisors is an integer number (110482847229054).

Almost surely, 2^{440661471131627} is an apocalyptic number.

440661471131627 is a deficient number, since it is larger than the sum of its proper divisors (1269917784589).

440661471131627 is a wasteful number, since it uses less digits than its factorization.

440661471131627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269917784588.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 440661471131627 in words is "four hundred forty trillion, six hundred sixty-one billion, four hundred seventy-one million, one hundred thirty-one thousand, six hundred twenty-seven".