38628344900 has 18 divisors (see below), whose sum is σ = 83823508650. Its totient is φ = 15451337920.

The previous prime is 38628344899. The next prime is 38628344903. The reversal of 38628344900 is 944382683.

38628344900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 843205444 + 37785139456 = 29038^2 + 194384^2 .

It is not an unprimeable number, because it can be changed into a prime (38628344903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193141625 + ... + 193141824.

Almost surely, 2^38628344900 is an apocalyptic number.

It is an amenable number.

38628344900 is an abundant number, since it is smaller than the sum of its proper divisors (45195163750).

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

38628344900 is a wasteful number, since it uses less digits than its factorization.

38628344900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386283463 (or 386283456 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 38628344900 in words is "thirty-eight billion, six hundred twenty-eight million, three hundred forty-four thousand, nine hundred".