440268838 has 16 divisors (see below), whose sum is σ = 669826080. Its totient is φ = 217011456.

The previous prime is 440268811. The next prime is 440268853. The reversal of 440268838 is 838862044.

It is a junction number, because it is equal to n+sod(n) for n = 440268794 and 440268803.

It is a congruent 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, 46708 + ... + 55336.

It is an arithmetic number, because the mean of its divisors is an integer number (41864130).

Almost surely, 2^440268838 is an apocalyptic number.

440268838 is a deficient number, since it is larger than the sum of its proper divisors (229557242).

440268838 is a wasteful number, since it uses less digits than its factorization.

440268838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991.

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 440268838 is about 20982.5841592498. The cubic root of 440268838 is about 760.7453663919.

The spelling of 440268838 in words is "four hundred forty million, two hundred sixty-eight thousand, eight hundred thirty-eight".