39572736052 has 12 divisors (see below), whose sum is σ = 69865140996. Its totient is φ = 19611267200.

The previous prime is 39572736037. The next prime is 39572736109. The reversal of 39572736052 is 25063727593.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12754088356 + 26818647696 = 112934^2 + 163764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39572735987 and 39572736005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43774699 + ... + 43775602.

It is an arithmetic number, because the mean of its divisors is an integer number (5822095083).

Almost surely, 2^39572736052 is an apocalyptic number.

It is an amenable number.

39572736052 is a deficient number, since it is larger than the sum of its proper divisors (30292404944).

39572736052 is a wasteful number, since it uses less digits than its factorization.

39572736052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87550418 (or 87550416 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 49.

The spelling of 39572736052 in words is "thirty-nine billion, five hundred seventy-two million, seven hundred thirty-six thousand, fifty-two".