38678424221436 has 12 divisors (see below), whose sum is σ = 90249656516712. Its totient is φ = 12892808073808.

The previous prime is 38678424221417. The next prime is 38678424221441. The reversal of 38678424221436 is 63412242487683.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 38678424221436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611601009215 + ... + 1611601009238.

It is an arithmetic number, because the mean of its divisors is an integer number (7520804709726).

Almost surely, 2^{38678424221436} is an apocalyptic number.

It is an amenable number.

38678424221436 is an abundant number, since it is smaller than the sum of its proper divisors (51571232295276).

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

38678424221436 is a wasteful number, since it uses less digits than its factorization.

38678424221436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223202018460 (or 3223202018458 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 60.

The spelling of 38678424221436 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-four million, two hundred twenty-one thousand, four hundred thirty-six".