440008804093 has 4 divisors (see below), whose sum is σ = 465891674940. Its totient is φ = 414125933248.

The previous prime is 440008804073. The next prime is 440008804097. The reversal of 440008804093 is 390408800044.

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 153246412089 + 286762392004 = 391467^2 + 535502^2 .

It is a cyclic number.

It is not a de Polignac number, because 440008804093 - 2²⁵ = 439975249661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440008804097) 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, 12941435398 + ... + 12941435431.

It is an arithmetic number, because the mean of its divisors is an integer number (116472918735).

Almost surely, 2^440008804093 is an apocalyptic number.

It is an amenable number.

440008804093 is a deficient number, since it is larger than the sum of its proper divisors (25882870847).

440008804093 is a wasteful number, since it uses less digits than its factorization.

440008804093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25882870846.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 440008804093 in words is "four hundred forty billion, eight million, eight hundred four thousand, ninety-three".