39641942132 has 24 divisors (see below), whose sum is σ = 74719600200. Its totient is φ = 18293884416.

The previous prime is 39641942113. The next prime is 39641942143. The reversal of 39641942132 is 23124914693.

It can be written as a sum of positive squares in 4 ways, for example, as 4551661156 + 35090280976 = 67466^2 + 187324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387344 + ... + 478872.

It is an arithmetic number, because the mean of its divisors is an integer number (3113316675).

Almost surely, 2^39641942132 is an apocalyptic number.

It is an amenable number.

39641942132 is a deficient number, since it is larger than the sum of its proper divisors (35077658068).

39641942132 is a wasteful number, since it uses less digits than its factorization.

39641942132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99875 (or 99873 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The spelling of 39641942132 in words is "thirty-nine billion, six hundred forty-one million, nine hundred forty-two thousand, one hundred thirty-two".