39293328228 has 144 divisors (see below), whose sum is σ = 117484545024. Its totient is φ = 9929900160.

The previous prime is 39293328223. The next prime is 39293328229. The reversal of 39293328228 is 82282339293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39293328223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1249425 + ... + 1280487.

It is an arithmetic number, because the mean of its divisors is an integer number (815864896).

Almost surely, 2^39293328228 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 39293328228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58742272512).

39293328228 is an abundant number, since it is smaller than the sum of its proper divisors (78191216796).

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

39293328228 is a wasteful number, since it uses less digits than its factorization.

39293328228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31162 (or 31123 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 39293328228 in words is "thirty-nine billion, two hundred ninety-three million, three hundred twenty-eight thousand, two hundred twenty-eight".