38930442287055 has 48 divisors (see below), whose sum is σ = 68488788197760. Its totient is φ = 18869111110080.

The previous prime is 38930442287039. The next prime is 38930442287057. The reversal of 38930442287055 is 55078224403983.

It is not a de Polignac number, because 38930442287055 - 2⁴ = 38930442287039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38930442287055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38930442287057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1927104 + ... + 9031866.

It is an arithmetic number, because the mean of its divisors is an integer number (1426849754120).

Almost surely, 2^{38930442287055} is an apocalyptic number.

38930442287055 is a deficient number, since it is larger than the sum of its proper divisors (29558345910705).

38930442287055 is a wasteful number, since it uses less digits than its factorization.

38930442287055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107812 (or 7107801 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 38930442287055 in words is "thirty-eight trillion, nine hundred thirty billion, four hundred forty-two million, two hundred eighty-seven thousand, fifty-five".