440545005 has 24 divisors (see below), whose sum is σ = 765168768. Its totient is φ = 234478176.

The previous prime is 440544991. The next prime is 440545057. The reversal of 440545005 is 500545044.

It is not a de Polignac number, because 440545005 - 2⁶ = 440544941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440545005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12904 + ... + 32366.

It is an arithmetic number, because the mean of its divisors is an integer number (31882032).

Almost surely, 2^440545005 is an apocalyptic number.

440545005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440545005 is a deficient number, since it is larger than the sum of its proper divisors (324623763).

440545005 is a wasteful number, since it uses less digits than its factorization.

440545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19977 (or 19974 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 440545005 is about 20989.1639900211. The cubic root of 440545005 is about 760.9043971435.

The spelling of 440545005 in words is "four hundred forty million, five hundred forty-five thousand, five".