38678401512256 has 112 divisors (see below), whose sum is σ = 84382089409728. Its totient is φ = 17444200550400.

The previous prime is 38678401512181. The next prime is 38678401512259. The reversal of 38678401512256 is 65221510487683.

It is a self number, because there is not a number n which added to its sum of digits gives 38678401512256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678401512259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676249996 + ... + 676307188.

Almost surely, 2^{38678401512256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38678401512256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42191044704864).

38678401512256 is an abundant number, since it is smaller than the sum of its proper divisors (45703687897472).

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

38678401512256 is a wasteful number, since it uses less digits than its factorization.

38678401512256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64680 (or 64670 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 38678401512256 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred one million, five hundred twelve thousand, two hundred fifty-six".