844004488880 has 40 divisors (see below), whose sum is σ = 2242640500512. Its totient is φ = 289372967424.

The previous prime is 844004488837. The next prime is 844004488897. The reversal of 844004488880 is 88884400448.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 753574877 + ... + 753575996.

Almost surely, 2^844004488880 is an apocalyptic number.

844004488880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

844004488880 is an abundant number, since it is smaller than the sum of its proper divisors (1398636011632).

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

844004488880 is a wasteful number, since it uses less digits than its factorization.

844004488880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507150893 (or 1507150887 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 56.

The spelling of 844004488880 in words is "eight hundred forty-four billion, four million, four hundred eighty-eight thousand, eight hundred eighty".