39424485136 has 15 divisors (see below), whose sum is σ = 76386478791. Its totient is φ = 19711845456.

The previous prime is 39424485109. The next prime is 39424485143. The reversal of 39424485136 is 63158442493.

The square root of 39424485136 is 198556.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39424485136.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 769405 + ... + 819043.

Almost surely, 2^39424485136 is an apocalyptic number.

39424485136 is the 198556-th square number.

It is an amenable number.

39424485136 is a deficient number, since it is larger than the sum of its proper divisors (36961993655).

39424485136 is an frugal number, since it uses more digits than its factorization.

39424485136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99286 (or 49641 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

Multiplying 39424485136 by its sum of digits (49), we get a square (1931799771664 = 1389892²).

The spelling of 39424485136 in words is "thirty-nine billion, four hundred twenty-four million, four hundred eighty-five thousand, one hundred thirty-six".