39488731408036 has 27 divisors (see below), whose sum is σ = 71024305266369. Its totient is φ = 19210507974288.

The previous prime is 39488731408031. The next prime is 39488731408037. The reversal of 39488731408036 is 63080413788493.

The square root of 39488731408036 is 6284006.

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

It can be written as a sum of positive squares in only one way, i.e., 35335059148900 + 4153672259136 = 5944330^2 + 2038056^2 .

It is a super-2 number, since 2×39488731408036² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39488731408031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 464973985 + ... + 465058903.

Almost surely, 2^{39488731408036} is an apocalyptic number.

39488731408036 is the 6284006-th square number.

It is an amenable number.

39488731408036 is a deficient number, since it is larger than the sum of its proper divisors (31535573858333).

39488731408036 is an frugal number, since it uses more digits than its factorization.

39488731408036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169916 (or 84958 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 39488731408036 in words is "thirty-nine trillion, four hundred eighty-eight billion, seven hundred thirty-one million, four hundred eight thousand, thirty-six".