440938512816 has 40 divisors (see below), whose sum is σ = 1178370167280. Its totient is φ = 141911245056.

The previous prime is 440938512767. The next prime is 440938512821. The reversal of 440938512816 is 618215839044.

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, 158381695 + ... + 158384478.

It is an arithmetic number, because the mean of its divisors is an integer number (29459254182).

Almost surely, 2^440938512816 is an apocalyptic number.

It is an amenable number.

440938512816 is an abundant number, since it is smaller than the sum of its proper divisors (737431654464).

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

440938512816 is a wasteful number, since it uses less digits than its factorization.

440938512816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316766213 (or 316766207 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 440938512816 in words is "four hundred forty billion, nine hundred thirty-eight million, five hundred twelve thousand, eight hundred sixteen".