844076609040 has 80 divisors (see below), whose sum is σ = 2990442849408. Its totient is φ = 192931795968.

The previous prime is 844076609039. The next prime is 844076609059. The reversal of 844076609040 is 40906670448.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 251211597 + ... + 251214956.

Almost surely, 2^844076609040 is an apocalyptic number.

844076609040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

844076609040 is an abundant number, since it is smaller than the sum of its proper divisors (2146366240368).

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

844076609040 is a wasteful number, since it uses less digits than its factorization.

844076609040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502426576 (or 502426570 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 844076609040 in words is "eight hundred forty-four billion, seventy-six million, six hundred nine thousand, forty".