8938901938428 has 960 divisors, whose sum is σ = 31619007383040. Its totient is φ = 2157916723200.

The previous prime is 8938901938427. The next prime is 8938901938469. The reversal of 8938901938428 is 8248391098398.

8938901938428 is a `hidden beast` number, since 8 + 9 + 3 + 8 + 9 + 0 + 193 + 8 + 428 = 666.

It is a super-2 number, since 2×8938901938428² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8938901938427) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 4024718358 + ... + 4024720578.

It is an arithmetic number, because the mean of its divisors is an integer number (32936466024).

Almost surely, 2^{8938901938428} 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 8938901938428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15809503691520).

8938901938428 is an abundant number, since it is smaller than the sum of its proper divisors (22680105444612).

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

8938901938428 is a wasteful number, since it uses less digits than its factorization.

8938901938428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 72.

The spelling of 8938901938428 in words is "eight trillion, nine hundred thirty-eight billion, nine hundred one million, nine hundred thirty-eight thousand, four hundred twenty-eight".