4138795128 has 48 divisors (see below), whose sum is σ = 11204145720. Its totient is φ = 1273474176.

The previous prime is 4138795123. The next prime is 4138795159. The reversal of 4138795128 is 8215978314.

It is a super-2 number, since 2×4138795128² = 34259250223113072768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138795121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506151 + ... + 514262.

Almost surely, 2^4138795128 is an apocalyptic number.

It is an amenable number.

4138795128 is an abundant number, since it is smaller than the sum of its proper divisors (7065350592).

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

4138795128 is a wasteful number, since it uses less digits than its factorization.

4138795128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020448 (or 1020431 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 4138795128 is about 64333.4681794787. The cubic root of 4138795128 is about 1605.5529877008.

The spelling of 4138795128 in words is "four billion, one hundred thirty-eight million, seven hundred ninety-five thousand, one hundred twenty-eight".