381432048338 has 24 divisors (see below), whose sum is σ = 665883568476. Its totient is φ = 163179484160.

The previous prime is 381432048307. The next prime is 381432048367. The reversal of 381432048338 is 833840234183.

It can be written as a sum of positive squares in 2 ways, for example, as 374094926689 + 7337121649 = 611633^2 + 85657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 381432048292 and 381432048301.

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, 46353695 + ... + 46361922.

Almost surely, 2^381432048338 is an apocalyptic number.

381432048338 is a deficient number, since it is larger than the sum of its proper divisors (284451520138).

381432048338 is a wasteful number, since it uses less digits than its factorization.

381432048338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92715658 (or 92715647 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 381432048338 in words is "three hundred eighty-one billion, four hundred thirty-two million, forty-eight thousand, three hundred thirty-eight".