38699709228 has 120 divisors (see below), whose sum is σ = 110814026400. Its totient is φ = 11722378752.

The previous prime is 38699709163. The next prime is 38699709241. The reversal of 38699709228 is 82290799683.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38593 + ... + 280871.

It is an arithmetic number, because the mean of its divisors is an integer number (923450220).

Almost surely, 2^38699709228 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 38699709228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55407013200).

38699709228 is an abundant number, since it is smaller than the sum of its proper divisors (72114317172).

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

38699709228 is a wasteful number, since it uses less digits than its factorization.

38699709228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242341 (or 242330 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 38699709228 in words is "thirty-eight billion, six hundred ninety-nine million, seven hundred nine thousand, two hundred twenty-eight".