440799939 has 6 divisors (see below), whose sum is σ = 636711036. Its totient is φ = 293866620.

The previous prime is 440799917. The next prime is 440799967. The reversal of 440799939 is 939997044.

It is not a de Polignac number, because 440799939 - 2⁷ = 440799811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440797939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24488877 + ... + 24488894.

It is an arithmetic number, because the mean of its divisors is an integer number (106118506).

Almost surely, 2^440799939 is an apocalyptic number.

440799939 is a deficient number, since it is larger than the sum of its proper divisors (195911097).

440799939 is a wasteful number, since it uses less digits than its factorization.

440799939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48977777 (or 48977774 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 440799939 is about 20995.2361025067. The cubic root of 440799939 is about 761.0511418907.

The spelling of 440799939 in words is "four hundred forty million, seven hundred ninety-nine thousand, nine hundred thirty-nine".