39990983175408 has 40 divisors (see below), whose sum is σ = 109387101040848. Its totient is φ = 12546190799872.

The previous prime is 39990983175371. The next prime is 39990983175419. The reversal of 39990983175408 is 80457138909993.

It is a self number, because there is not a number n which added to its sum of digits gives 39990983175408.

It is a congruent number.

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, 24504278091 + ... + 24504279722.

Almost surely, 2^{39990983175408} is an apocalyptic number.

It is an amenable number.

39990983175408 is an abundant number, since it is smaller than the sum of its proper divisors (69396117865440).

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

39990983175408 is a wasteful number, since it uses less digits than its factorization.

39990983175408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49008557841 (or 49008557835 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 75.

The spelling of 39990983175408 in words is "thirty-nine trillion, nine hundred ninety billion, nine hundred eighty-three million, one hundred seventy-five thousand, four hundred eight".