9990174924 has 18 divisors (see below), whose sum is σ = 25252942260. Its totient is φ = 3330058296.

The previous prime is 9990174893. The next prime is 9990174937. The reversal of 9990174924 is 4294710999.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138752394 + ... + 138752465.

Almost surely, 2^9990174924 is an apocalyptic number.

It is an amenable number.

9990174924 is an abundant number, since it is smaller than the sum of its proper divisors (15262767336).

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

9990174924 is a wasteful number, since it uses less digits than its factorization.

9990174924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277504869 (or 277504864 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 9990174924 is about 99950.8625475538. The cubic root of 9990174924 is about 2153.7288760066.

The spelling of 9990174924 in words is "nine billion, nine hundred ninety million, one hundred seventy-four thousand, nine hundred twenty-four".