38406220116 has 96 divisors (see below), whose sum is σ = 100252494720. Its totient is φ = 11342284800.

The previous prime is 38406220091. The next prime is 38406220117. The reversal of 38406220116 is 61102260483.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38406220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5933730 + ... + 5940198.

It is an arithmetic number, because the mean of its divisors is an integer number (1044296820).

Almost surely, 2^38406220116 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 38406220116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50126247360).

38406220116 is an abundant number, since it is smaller than the sum of its proper divisors (61846274604).

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

38406220116 is a wasteful number, since it uses less digits than its factorization.

38406220116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7623 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 38406220116 its reverse (61102260483), we get a palindrome (99508480599).

The spelling of 38406220116 in words is "thirty-eight billion, four hundred six million, two hundred twenty thousand, one hundred sixteen".