804444004480 has 64 divisors (see below), whose sum is σ = 1924976476800. Its totient is φ = 321467636736.

The previous prime is 804444004477. The next prime is 804444004513. The reversal of 804444004480 is 84400444408.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 60079 + ... + 1269841.

It is an arithmetic number, because the mean of its divisors is an integer number (30077757450).

Almost surely, 2^804444004480 is an apocalyptic number.

804444004480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804444004480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962488238400).

804444004480 is an abundant number, since it is smaller than the sum of its proper divisors (1120532472320).

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

804444004480 is a wasteful number, since it uses less digits than its factorization.

804444004480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210821 (or 1210809 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

Adding to 804444004480 its reverse (84400444408), we get a palindrome (888844448888).

The spelling of 804444004480 in words is "eight hundred four billion, four hundred forty-four million, four thousand, four hundred eighty".