440078944 has 24 divisors (see below), whose sum is σ = 896283360. Its totient is φ = 212451456.

The previous prime is 440078921. The next prime is 440078959. The reversal of 440078944 is 449870044.

It is a junction number, because it is equal to n+sod(n) for n = 440078897 and 440078906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236184 + ... + 238039.

It is an arithmetic number, because the mean of its divisors is an integer number (37345140).

Almost surely, 2^440078944 is an apocalyptic number.

It is an amenable number.

440078944 is an abundant number, since it is smaller than the sum of its proper divisors (456204416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440078944 is a wasteful number, since it uses less digits than its factorization.

440078944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474262 (or 474254 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 440078944 is about 20978.0586327715. The cubic root of 440078944 is about 760.6359773532.

The spelling of 440078944 in words is "four hundred forty million, seventy-eight thousand, nine hundred forty-four".