38194384306 has 24 divisors (see below), whose sum is σ = 62053182324. Its totient is φ = 17623756800.

The previous prime is 38194384289. The next prime is 38194384337. The reversal of 38194384306 is 60348349183.

It can be written as a sum of positive squares in 6 ways, for example, as 4377013281 + 33817371025 = 66159^2 + 183895^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38194384306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1610970 + ... + 1634506.

Almost surely, 2^38194384306 is an apocalyptic number.

38194384306 is a deficient number, since it is larger than the sum of its proper divisors (23858798018).

38194384306 is a wasteful number, since it uses less digits than its factorization.

38194384306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366 (or 28353 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

It can be divided in two parts, 38194 and 384306, that added together give a square (422500 = 650²).

The spelling of 38194384306 in words is "thirty-eight billion, one hundred ninety-four million, three hundred eighty-four thousand, three hundred six".