39566042981428 has 24 divisors (see below), whose sum is σ = 73636205888000. Its totient is φ = 18548595295488.

The previous prime is 39566042981419. The next prime is 39566042981441. The reversal of 39566042981428 is 82418924066593.

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, 2683527828 + ... + 2683542571.

Almost surely, 2^{39566042981428} is an apocalyptic number.

39566042981428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39566042981428 is a deficient number, since it is larger than the sum of its proper divisors (34070162906572).

39566042981428 is a wasteful number, since it uses less digits than its factorization.

39566042981428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367070519 (or 5367070517 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 67.

The spelling of 39566042981428 in words is "thirty-nine trillion, five hundred sixty-six billion, forty-two million, nine hundred eighty-one thousand, four hundred twenty-eight".