844424930131908 has 48 divisors (see below), whose sum is σ = 1985460378612480. Its totient is φ = 279312961876000.

The previous prime is 844424930131907. The next prime is 844424930131921. The reversal of 844424930131908 is 809131039424448.

It is not an unprimeable number, because it can be changed into a prime (844424930131907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20089183 + ... + 45743033.

It is an arithmetic number, because the mean of its divisors is an integer number (41363757887760).

Almost surely, 2^{844424930131908} is an apocalyptic number.

It is an amenable number.

844424930131908 is an abundant number, since it is smaller than the sum of its proper divisors (1141035448480572).

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

844424930131908 is a wasteful number, since it uses less digits than its factorization.

844424930131908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25674928 (or 25674926 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 844424930131908 in words is "eight hundred forty-four trillion, four hundred twenty-four billion, nine hundred thirty million, one hundred thirty-one thousand, nine hundred eight".