440240420332 has 12 divisors (see below), whose sum is σ = 772002711760. Its totient is φ = 219668216976.

The previous prime is 440240420327. The next prime is 440240420359. The reversal of 440240420332 is 233024042044.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 440240420332.

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, 112996107 + ... + 113000002.

Almost surely, 2^440240420332 is an apocalyptic number.

It is an amenable number.

440240420332 is a deficient number, since it is larger than the sum of its proper divisors (331762291428).

440240420332 is a wasteful number, since it uses less digits than its factorization.

440240420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225996600 (or 225996598 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 440240420332 its reverse (233024042044), we get a palindrome (673264462376).

The spelling of 440240420332 in words is "four hundred forty billion, two hundred forty million, four hundred twenty thousand, three hundred thirty-two".