38578785165042 has 32 divisors (see below), whose sum is σ = 81858669040512. Its totient is φ = 12079086345984.

The previous prime is 38578785165001. The next prime is 38578785165091. The reversal of 38578785165042 is 24056158787583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375916273 + ... + 376018884.

It is an arithmetic number, because the mean of its divisors is an integer number (2558083407516).

Almost surely, 2^{38578785165042} is an apocalyptic number.

38578785165042 is an abundant number, since it is smaller than the sum of its proper divisors (43279883875470).

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

38578785165042 is a wasteful number, since it uses less digits than its factorization.

38578785165042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751935682.

The product of its (nonzero) digits is 451584000, while the sum is 69.

The spelling of 38578785165042 in words is "thirty-eight trillion, five hundred seventy-eight billion, seven hundred eighty-five million, one hundred sixty-five thousand, forty-two".