440489465 has 48 divisors (see below), whose sum is σ = 612722880. Its totient is φ = 302115840.

The previous prime is 440489459. The next prime is 440489531. The reversal of 440489465 is 564984044.

It is not a de Polignac number, because 440489465 - 2⁸ = 440489209 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2460746 + ... + 2460924.

It is an arithmetic number, because the mean of its divisors is an integer number (12765060).

Almost surely, 2^440489465 is an apocalyptic number.

It is an amenable number.

440489465 is a deficient number, since it is larger than the sum of its proper divisors (172233415).

440489465 is a wasteful number, since it uses less digits than its factorization.

440489465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 440489465 is about 20987.8408846646. The cubic root of 440489465 is about 760.8724197778.

The spelling of 440489465 in words is "four hundred forty million, four hundred eighty-nine thousand, four hundred sixty-five".