39017068128 has 72 divisors (see below), whose sum is σ = 113661036216. Its totient is φ = 12688473600.

The previous prime is 39017068099. The next prime is 39017068133. The reversal of 39017068128 is 82186071093.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1640338 + ... + 1663953.

It is an arithmetic number, because the mean of its divisors is an integer number (1578625503).

Almost surely, 2^39017068128 is an apocalyptic number.

It is an amenable number.

39017068128 is an abundant number, since it is smaller than the sum of its proper divisors (74643968088).

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

39017068128 is a wasteful number, since it uses less digits than its factorization.

39017068128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304348 (or 3304337 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 39017068128 in words is "thirty-nine billion, seventeen million, sixty-eight thousand, one hundred twenty-eight".