381375238144 has 26 divisors (see below), whose sum is σ = 762657375290. Its totient is φ = 190687617024.

The previous prime is 381375238051. The next prime is 381375238159. The reversal of 381375238144 is 441832573183.

It can be written as a sum of positive squares in only one way, i.e., 263259295744 + 118115942400 = 513088^2 + 343680^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46550499 + ... + 46558690.

Almost surely, 2^381375238144 is an apocalyptic number.

It is an amenable number.

381375238144 is a deficient number, since it is larger than the sum of its proper divisors (381282137146).

381375238144 is an frugal number, since it uses more digits than its factorization.

381375238144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93109213 (or 93109191 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 381375238144 in words is "three hundred eighty-one billion, three hundred seventy-five million, two hundred thirty-eight thousand, one hundred forty-four".