440250005 has 32 divisors (see below), whose sum is σ = 586141920. Its totient is φ = 315371520.

The previous prime is 440250001. The next prime is 440250017. The reversal of 440250005 is 500052044.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 410022001 + 30228004 = 20249^2 + 5498^2 .

It is not a de Polignac number, because 440250005 - 2² = 440250001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440250001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620591 + ... + 621299.

It is an arithmetic number, because the mean of its divisors is an integer number (18316935).

Almost surely, 2^440250005 is an apocalyptic number.

It is an amenable number.

440250005 is a deficient number, since it is larger than the sum of its proper divisors (145891915).

440250005 is a wasteful number, since it uses less digits than its factorization.

440250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 440250005 is about 20982.1353775063. The cubic root of 440250005 is about 760.7345189880.

The spelling of 440250005 in words is "four hundred forty million, two hundred fifty thousand, five".