39924634850 has 12 divisors (see below), whose sum is σ = 74259820914. Its totient is φ = 15969853920.

The previous prime is 39924634787. The next prime is 39924634859. The reversal of 39924634850 is 5843642993.

It can be written as a sum of positive squares in 3 ways, for example, as 30447807049 + 9476827801 = 174493^2 + 97349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39924634792 and 39924634801.

It is not an unprimeable number, because it can be changed into a prime (39924634859) 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 5 ways as a sum of consecutive naturals, for example, 399246299 + ... + 399246398.

Almost surely, 2^39924634850 is an apocalyptic number.

39924634850 is a deficient number, since it is larger than the sum of its proper divisors (34335186064).

39924634850 is a wasteful number, since it uses less digits than its factorization.

39924634850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798492709 (or 798492704 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 39924634850 in words is "thirty-nine billion, nine hundred twenty-four million, six hundred thirty-four thousand, eight hundred fifty".