440359449 has 16 divisors (see below), whose sum is σ = 648715392. Its totient is φ = 264290048.

The previous prime is 440359441. The next prime is 440359471. The reversal of 440359449 is 944953044.

It is a cyclic number.

It is not a de Polignac number, because 440359449 - 2³ = 440359441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440359449.

It is not an unprimeable number, because it can be changed into a prime (440359441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186534 + ... + 188879.

It is an arithmetic number, because the mean of its divisors is an integer number (40544712).

Almost surely, 2^440359449 is an apocalyptic number.

It is an amenable number.

440359449 is a deficient number, since it is larger than the sum of its proper divisors (208355943).

440359449 is a wasteful number, since it uses less digits than its factorization.

440359449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375456.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 440359449 is about 20984.7432436044. The cubic root of 440359449 is about 760.7975520597.

The spelling of 440359449 in words is "four hundred forty million, three hundred fifty-nine thousand, four hundred forty-nine".