9990388482 has 8 divisors (see below), whose sum is σ = 19980776976. Its totient is φ = 3330129492.

The previous prime is 9990388409. The next prime is 9990388483. The reversal of 9990388482 is 2848830999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

9990388482 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9990388483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832532368 + ... + 832532379.

It is an arithmetic number, because the mean of its divisors is an integer number (2497597122).

Almost surely, 2^9990388482 is an apocalyptic number.

9990388482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9990388482 is a wasteful number, since it uses less digits than its factorization.

9990388482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665064752.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The square root of 9990388482 is about 99951.9308567874. The cubic root of 9990388482 is about 2153.7442225098.

The spelling of 9990388482 in words is "nine billion, nine hundred ninety million, three hundred eighty-eight thousand, four hundred eighty-two".