4138488652 has 6 divisors (see below), whose sum is σ = 7242355148. Its totient is φ = 2069244324.

The previous prime is 4138488649. The next prime is 4138488659. The reversal of 4138488652 is 2568848314.

It is a junction number, because it is equal to n+sod(n) for n = 4138488596 and 4138488605.

It is not an unprimeable number, because it can be changed into a prime (4138488659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517311078 + ... + 517311085.

Almost surely, 2^4138488652 is an apocalyptic number.

It is an amenable number.

4138488652 is a deficient number, since it is larger than the sum of its proper divisors (3103866496).

4138488652 is a wasteful number, since it uses less digits than its factorization.

4138488652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034622167 (or 1034622165 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 4138488652 is about 64331.0862025506. The cubic root of 4138488652 is about 1605.5133565531.

It can be divided in two parts, 413848 and 8652, that added together give a square (422500 = 650²).

The spelling of 4138488652 in words is "four billion, one hundred thirty-eight million, four hundred eighty-eight thousand, six hundred fifty-two".