38338438856 has 8 divisors (see below), whose sum is σ = 71884572870. Its totient is φ = 19169219424.

The previous prime is 38338438841. The next prime is 38338438867. The reversal of 38338438856 is 65883483383.

It can be written as a sum of positive squares in only one way, i.e., 35407948900 + 2930489956 = 188170^2 + 54134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 38338438795 and 38338438804.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2396152421 + ... + 2396152436.

Almost surely, 2^38338438856 is an apocalyptic number.

It is an amenable number.

38338438856 is a deficient number, since it is larger than the sum of its proper divisors (33546134014).

38338438856 is a wasteful number, since it uses less digits than its factorization.

38338438856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792304863 (or 4792304859 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 59.

The spelling of 38338438856 in words is "thirty-eight billion, three hundred thirty-eight million, four hundred thirty-eight thousand, eight hundred fifty-six".