440807445 has 96 divisors (see below), whose sum is σ = 861020160. Its totient is φ = 207152640.

The previous prime is 440807401. The next prime is 440807449. The reversal of 440807445 is 544708044.

It is not a de Polignac number, because 440807445 - 2⁷ = 440807317 is a prime.

It is a super-2 number, since 2×440807445² = 388622407134856050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440807449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1976604 + ... + 1976826.

It is an arithmetic number, because the mean of its divisors is an integer number (8968960).

Almost surely, 2^440807445 is an apocalyptic number.

440807445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440807445 is a deficient number, since it is larger than the sum of its proper divisors (420212715).

440807445 is a wasteful number, since it uses less digits than its factorization.

440807445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 440807445 is about 20995.4148565824. The cubic root of 440807445 is about 761.0554616262.

The spelling of 440807445 in words is "four hundred forty million, eight hundred seven thousand, four hundred forty-five".