440740375444 has 24 divisors (see below), whose sum is σ = 779652518400. Its totient is φ = 217995316704.

The previous prime is 440740375423. The next prime is 440740375469. The reversal of 440740375444 is 444573047044.

It is a junction number, because it is equal to n+sod(n) for n = 440740375394 and 440740375403.

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, 1462564 + ... + 1737979.

It is an arithmetic number, because the mean of its divisors is an integer number (32485521600).

Almost surely, 2^440740375444 is an apocalyptic number.

It is an amenable number.

440740375444 is a deficient number, since it is larger than the sum of its proper divisors (338912142956).

440740375444 is a wasteful number, since it uses less digits than its factorization.

440740375444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200919 (or 3200917 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 46.

The spelling of 440740375444 in words is "four hundred forty billion, seven hundred forty million, three hundred seventy-five thousand, four hundred forty-four".