938417796920 has 64 divisors (see below), whose sum is σ = 2169552185280. Its totient is φ = 365045861376.

The previous prime is 938417796913. The next prime is 938417796937. The reversal of 938417796920 is 29697714839.

It is a super-2 number, since 2×938417796920² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936852 + ... + 3240668.

It is an arithmetic number, because the mean of its divisors is an integer number (33899252895).

Almost surely, 2^938417796920 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 938417796920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084776092640).

938417796920 is an abundant number, since it is smaller than the sum of its proper divisors (1231134388360).

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

938417796920 is a wasteful number, since it uses less digits than its factorization.

938417796920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305952 (or 305948 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 938417796920 in words is "nine hundred thirty-eight billion, four hundred seventeen million, seven hundred ninety-six thousand, nine hundred twenty".