39550072384 has 21 divisors (see below), whose sum is σ = 78485332107. Its totient is φ = 19774240704.

The previous prime is 39550072357. The next prime is 39550072417. The reversal of 39550072384 is 48327005593.

The square root of 39550072384 is 198872.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1578547 + ... + 1603405.

It is an arithmetic number, because the mean of its divisors is an integer number (3737396767).

Almost surely, 2^39550072384 is an apocalyptic number.

39550072384 is the 198872-nd square number.

It is an amenable number.

39550072384 is a deficient number, since it is larger than the sum of its proper divisors (38935259723).

39550072384 is an frugal number, since it uses more digits than its factorization.

39550072384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49730 (or 24861 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 39550072384 in words is "thirty-nine billion, five hundred fifty million, seventy-two thousand, three hundred eighty-four".