38491428955256 has 16 divisors (see below), whose sum is σ = 72188543755440. Its totient is φ = 19241150620480.

The previous prime is 38491428955253. The next prime is 38491428955261. The reversal of 38491428955256 is 65255982419483.

38491428955256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38491428955256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38491428955253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570446300 + ... + 570513771.

It is an arithmetic number, because the mean of its divisors is an integer number (4511783984715).

Almost surely, 2^{38491428955256} is an apocalyptic number.

It is an amenable number.

38491428955256 is a deficient number, since it is larger than the sum of its proper divisors (33697114800184).

38491428955256 is a wasteful number, since it uses less digits than its factorization.

38491428955256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140964294 (or 1140964290 counting only the distinct ones).

The product of its digits is 746496000, while the sum is 71.

The spelling of 38491428955256 in words is "thirty-eight trillion, four hundred ninety-one billion, four hundred twenty-eight million, nine hundred fifty-five thousand, two hundred fifty-six".