844424930131960 has 32 divisors (see below), whose sum is σ = 1899957772920240. Its totient is φ = 337769673364224.

The previous prime is 844424930131921. The next prime is 844424930131961. The reversal of 844424930131960 is 69131039424448.

It is a junction number, because it is equal to n+sod(n) for n = 844424930131895 and 844424930131904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844424930131961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39637084 + ... + 57095956.

Almost surely, 2^{844424930131960} is an apocalyptic number.

It is an amenable number.

844424930131960 is an abundant number, since it is smaller than the sum of its proper divisors (1055532842788280).

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

844424930131960 is a wasteful number, since it uses less digits than its factorization.

844424930131960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668047 (or 18668043 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 844424930131960 in words is "eight hundred forty-four trillion, four hundred twenty-four billion, nine hundred thirty million, one hundred thirty-one thousand, nine hundred sixty".