440471045 has 24 divisors (see below), whose sum is σ = 641602944. Its totient is φ = 288901536.

The previous prime is 440471041. The next prime is 440471047. The reversal of 440471045 is 540174044.

It is a happy number.

It is not a de Polignac number, because 440471045 - 2² = 440471041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440470999 and 440471017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440471041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33449 + ... + 44718.

It is an arithmetic number, because the mean of its divisors is an integer number (26733456).

Almost surely, 2^440471045 is an apocalyptic number.

It is an amenable number.

440471045 is a deficient number, since it is larger than the sum of its proper divisors (201131899).

440471045 is a wasteful number, since it uses less digits than its factorization.

440471045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78209 (or 78202 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 440471045 is about 20987.4020545660. The cubic root of 440471045 is about 760.8618137993.

The spelling of 440471045 in words is "four hundred forty million, four hundred seventy-one thousand, forty-five".