440611879 has 4 divisors (see below), whose sum is σ = 440845560. Its totient is φ = 440378200.

The previous prime is 440611861. The next prime is 440611903. The reversal of 440611879 is 978116044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440611879 - 2⁷ = 440611751 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440611279) 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 3 ways as a sum of consecutive naturals, for example, 113989 + ... + 117790.

It is an arithmetic number, because the mean of its divisors is an integer number (110211390).

Almost surely, 2^440611879 is an apocalyptic number.

440611879 is a deficient number, since it is larger than the sum of its proper divisors (233681).

440611879 is a wasteful number, since it uses less digits than its factorization.

440611879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233680.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 440611879 is about 20990.7569896848. The cubic root of 440611879 is about 760.9428965367.

The spelling of 440611879 in words is "four hundred forty million, six hundred eleven thousand, eight hundred seventy-nine".