38233240191 has 12 divisors (see below), whose sum is σ = 57271191432. Its totient is φ = 25488826632.

The previous prime is 38233240189. The next prime is 38233240207. The reversal of 38233240191 is 19104233283.

38233240191 is a `hidden beast` number, since 382 + 33 + 240 + 1 + 9 + 1 = 666.

It is not a de Polignac number, because 38233240191 - 2¹ = 38233240189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38233240141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78668976 + ... + 78669461.

It is an arithmetic number, because the mean of its divisors is an integer number (4772599286).

Almost surely, 2^38233240191 is an apocalyptic number.

38233240191 is a deficient number, since it is larger than the sum of its proper divisors (19037951241).

38233240191 is an equidigital number, since it uses as much as digits as its factorization.

38233240191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157338452 (or 157338440 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 38233240191 in words is "thirty-eight billion, two hundred thirty-three million, two hundred forty thousand, one hundred ninety-one".