39978283724 has 12 divisors (see below), whose sum is σ = 73644207000. Its totient is φ = 18937081728.

The previous prime is 39978283687. The next prime is 39978283753. The reversal of 39978283724 is 42738287993.

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 3 ways as a sum of consecutive naturals, for example, 263014949 + ... + 263015100.

It is an arithmetic number, because the mean of its divisors is an integer number (6137017250).

Almost surely, 2^39978283724 is an apocalyptic number.

It is an amenable number.

39978283724 is a deficient number, since it is larger than the sum of its proper divisors (33665923276).

39978283724 is a wasteful number, since it uses less digits than its factorization.

39978283724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526030072 (or 526030070 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The spelling of 39978283724 in words is "thirty-nine billion, nine hundred seventy-eight million, two hundred eighty-three thousand, seven hundred twenty-four".