440504045 has 4 divisors (see below), whose sum is σ = 528604860. Its totient is φ = 352403232.

The previous prime is 440504039. The next prime is 440504101. The reversal of 440504045 is 540405044.

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 245454889 + 195049156 = 15667^2 + 13966^2 .

It is a cyclic number.

It is not a de Polignac number, because 440504045 - 2¹² = 440499949 is a prime.

It is a super-2 number, since 2×440504045² = 388087627322724050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44050400 + ... + 44050409.

It is an arithmetic number, because the mean of its divisors is an integer number (132151215).

Almost surely, 2^440504045 is an apocalyptic number.

It is an amenable number.

440504045 is a deficient number, since it is larger than the sum of its proper divisors (88100815).

440504045 is an equidigital number, since it uses as much as digits as its factorization.

440504045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88100814.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 440504045 is about 20988.1882257617. The cubic root of 440504045 is about 760.8808145283.

Adding to 440504045 its reverse (540405044), we get a palindrome (980909089).

Subtracting 440504045 from its reverse (540405044), we obtain a palindrome (99900999).

The spelling of 440504045 in words is "four hundred forty million, five hundred four thousand, forty-five".