238040007215 has 4 divisors (see below), whose sum is σ = 285648008664. Its totient is φ = 190432005768.

The previous prime is 238040007131. The next prime is 238040007217. The reversal of 238040007215 is 512700040832.

238040007215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238040007215 - 2⁸ = 238040006959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238040007217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23804000717 + ... + 23804000726.

It is an arithmetic number, because the mean of its divisors is an integer number (71412002166).

Almost surely, 2^238040007215 is an apocalyptic number.

238040007215 is a deficient number, since it is larger than the sum of its proper divisors (47608001449).

238040007215 is an equidigital number, since it uses as much as digits as its factorization.

238040007215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47608001448.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 238040007215 in words is "two hundred thirty-eight billion, forty million, seven thousand, two hundred fifteen".