9938082456 has 80 divisors (see below), whose sum is σ = 28111620240. Its totient is φ = 3279873600.

The previous prime is 9938082433. The next prime is 9938082457. The reversal of 9938082456 is 6542808399.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938082457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10476 + ... + 141371.

It is an arithmetic number, because the mean of its divisors is an integer number (351395253).

Almost surely, 2^9938082456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9938082456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14055810120).

9938082456 is an abundant number, since it is smaller than the sum of its proper divisors (18173537784).

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

9938082456 is a wasteful number, since it uses less digits than its factorization.

9938082456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151966 (or 151953 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 9938082456 is about 99689.9315678369. The cubic root of 9938082456 is about 2149.9789041377.

The spelling of 9938082456 in words is "nine billion, nine hundred thirty-eight million, eighty-two thousand, four hundred fifty-six".