439960505 has 8 divisors (see below), whose sum is σ = 528402312. Its totient is φ = 351668608.

The previous prime is 439960481. The next prime is 439960541. The reversal of 439960505 is 505069934.

It can be written as a sum of positive squares in 4 ways, for example, as 10310521 + 429649984 = 3211^2 + 20728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 439960505 - 2⁶ = 439960441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30914 + ... + 42843.

It is an arithmetic number, because the mean of its divisors is an integer number (66050289).

Almost surely, 2^439960505 is an apocalyptic number.

It is an amenable number.

439960505 is a deficient number, since it is larger than the sum of its proper divisors (88441807).

439960505 is a wasteful number, since it uses less digits than its factorization.

439960505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74955.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 439960505 is about 20975.2355171521. The cubic root of 439960505 is about 760.5677342581.

The spelling of 439960505 in words is "four hundred thirty-nine million, nine hundred sixty thousand, five hundred five".