38798393922 has 54 divisors (see below), whose sum is σ = 89331666489. Its totient is φ = 12167588160.

The previous prime is 38798393911. The next prime is 38798393989. The reversal of 38798393922 is 22939389783.

38798393922 is a `hidden beast` number, since 387 + 9 + 83 + 93 + 92 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35509256721 + 3289137201 = 188439^2 + 57351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=139281.

It is a self number, because there is not a number n which added to its sum of digits gives 38798393922.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14205297 + ... + 14208027.

Almost surely, 2^38798393922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38798393922

38798393922 is an abundant number, since it is smaller than the sum of its proper divisors (50533272567).

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

38798393922 is an equidigital number, since it uses as much as digits as its factorization.

38798393922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 2753 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 38798393922 in words is "thirty-eight billion, seven hundred ninety-eight million, three hundred ninety-three thousand, nine hundred twenty-two".