6138944532 has 96 divisors (see below), whose sum is σ = 18328611840. Its totient is φ = 1740566880.

The previous prime is 6138944531. The next prime is 6138944543. The reversal of 6138944532 is 2354498316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138944531) 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 in 31 ways as a sum of consecutive naturals, for example, 68043 + ... + 130029.

It is an arithmetic number, because the mean of its divisors is an integer number (190923040).

Almost surely, 2^6138944532 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 6138944532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9164305920).

6138944532 is an abundant number, since it is smaller than the sum of its proper divisors (12189667308).

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

6138944532 is a wasteful number, since it uses less digits than its factorization.

6138944532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62138 (or 62130 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 6138944532 is about 78351.4169112467. The cubic root of 6138944532 is about 1831.0403007411.

The spelling of 6138944532 in words is "six billion, one hundred thirty-eight million, nine hundred forty-four thousand, five hundred thirty-two".