38561794288 has 80 divisors (see below), whose sum is σ = 79226929152. Its totient is φ = 18152640000.

The previous prime is 38561794283. The next prime is 38561794291. The reversal of 38561794288 is 88249716583.

38561794288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38561794283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786213 + ... + 7791163.

Almost surely, 2^38561794288 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 38561794288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39613464576).

38561794288 is an abundant number, since it is smaller than the sum of its proper divisors (40665134864).

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

38561794288 is a wasteful number, since it uses less digits than its factorization.

38561794288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414 (or 5408 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The spelling of 38561794288 in words is "thirty-eight billion, five hundred sixty-one million, seven hundred ninety-four thousand, two hundred eighty-eight".