440509266085 has 16 divisors (see below), whose sum is σ = 635923152000. Its totient is φ = 286165417536.

The previous prime is 440509266077. The next prime is 440509266139. The reversal of 440509266085 is 580662905044.

It is a cyclic number.

It is not a de Polignac number, because 440509266085 - 2³ = 440509266077 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 331209310 + ... + 331210639.

It is an arithmetic number, because the mean of its divisors is an integer number (39745197000).

Almost surely, 2^440509266085 is an apocalyptic number.

It is an amenable number.

440509266085 is a deficient number, since it is larger than the sum of its proper divisors (195413885915).

440509266085 is a wasteful number, since it uses less digits than its factorization.

440509266085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662419980.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 440509266085 in words is "four hundred forty billion, five hundred nine million, two hundred sixty-six thousand, eighty-five".