38404484445856 has 96 divisors (see below), whose sum is σ = 77684377700160. Its totient is φ = 18681998592000.

The previous prime is 38404484445841. The next prime is 38404484445919. The reversal of 38404484445856 is 65854448440483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38404484445791 and 38404484445800.

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, 465428155 + ... + 465510661.

It is an arithmetic number, because the mean of its divisors is an integer number (809212267710).

Almost surely, 2^{38404484445856} 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 38404484445856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38842188850080).

38404484445856 is an abundant number, since it is smaller than the sum of its proper divisors (39279893254304).

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

38404484445856 is a wasteful number, since it uses less digits than its factorization.

38404484445856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85118 (or 85110 counting only the distinct ones).

The product of its (nonzero) digits is 943718400, while the sum is 67.

The spelling of 38404484445856 in words is "thirty-eight trillion, four hundred four billion, four hundred eighty-four million, four hundred forty-five thousand, eight hundred fifty-six".