38580381406 has 8 divisors (see below), whose sum is σ = 66137796720. Its totient is φ = 16534449168.

The previous prime is 38580381379. The next prime is 38580381419. The reversal of 38580381406 is 60418308583.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1377870751 + ... + 1377870778.

It is an arithmetic number, because the mean of its divisors is an integer number (8267224590).

Almost surely, 2^38580381406 is an apocalyptic number.

38580381406 is a deficient number, since it is larger than the sum of its proper divisors (27557415314).

38580381406 is a wasteful number, since it uses less digits than its factorization.

38580381406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755741538.

The product of its (nonzero) digits is 552960, while the sum is 46.

Adding to 38580381406 its reverse (60418308583), we get a palindrome (98998689989).

It can be divided in two parts, 38580 and 381406, that added together give a triangular number (419986 = T₉₁₆).

The spelling of 38580381406 in words is "thirty-eight billion, five hundred eighty million, three hundred eighty-one thousand, four hundred six".