440844443 has 12 divisors (see below), whose sum is σ = 487529568. Its totient is φ = 398268000.

The previous prime is 440844409. The next prime is 440844541. The reversal of 440844443 is 344448044.

It is not a de Polignac number, because 440844443 - 2⁶ = 440844379 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440840443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19808 + ... + 35693.

It is an arithmetic number, because the mean of its divisors is an integer number (40627464).

Almost surely, 2^440844443 is an apocalyptic number.

440844443 is a deficient number, since it is larger than the sum of its proper divisors (46685125).

440844443 is a wasteful number, since it uses less digits than its factorization.

440844443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55574 (or 55561 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

The square root of 440844443 is about 20996.2959352358. The cubic root of 440844443 is about 761.0767534189.

The spelling of 440844443 in words is "four hundred forty million, eight hundred forty-four thousand, four hundred forty-three".