39641152252 has 72 divisors (see below), whose sum is σ = 77492343600. Its totient is φ = 17628084480.

The previous prime is 39641152247. The next prime is 39641152253. The reversal of 39641152252 is 25225114693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39641152253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14685999 + ... + 14688697.

It is an arithmetic number, because the mean of its divisors is an integer number (1076282550).

Almost surely, 2^39641152252 is an apocalyptic number.

It is an amenable number.

39641152252 is a deficient number, since it is larger than the sum of its proper divisors (37851191348).

39641152252 is a wasteful number, since it uses less digits than its factorization.

39641152252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923 (or 2838 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The spelling of 39641152252 in words is "thirty-nine billion, six hundred forty-one million, one hundred fifty-two thousand, two hundred fifty-two".