39535783968 has 48 divisors (see below), whose sum is σ = 104477990400. Its totient is φ = 13090142976.

The previous prime is 39535783957. The next prime is 39535783981. The reversal of 39535783968 is 86938753593.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 39535783899 and 39535783908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367680 + ... + 1396287.

It is an arithmetic number, because the mean of its divisors is an integer number (2176624800).

Almost surely, 2^39535783968 is an apocalyptic number.

It is an amenable number.

39535783968 is an abundant number, since it is smaller than the sum of its proper divisors (64942206432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39535783968 is a wasteful number, since it uses less digits than its factorization.

39535783968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764129 (or 2764121 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 66.

The spelling of 39535783968 in words is "thirty-nine billion, five hundred thirty-five million, seven hundred eighty-three thousand, nine hundred sixty-eight".