909364445984 has 48 divisors (see below), whose sum is σ = 1869648480000. Its totient is φ = 434564782080.

The previous prime is 909364445971. The next prime is 909364445993. The reversal of 909364445984 is 489544463909.

It is a self number, because there is not a number n which added to its sum of digits gives 909364445984.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424649 + ... + 1413879.

It is an arithmetic number, because the mean of its divisors is an integer number (38951010000).

Almost surely, 2^909364445984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 909364445984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934824240000).

909364445984 is an abundant number, since it is smaller than the sum of its proper divisors (960284034016).

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

909364445984 is a wasteful number, since it uses less digits than its factorization.

909364445984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990513 (or 990505 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 909364445984 in words is "nine hundred nine billion, three hundred sixty-four million, four hundred forty-five thousand, nine hundred eighty-four".