238208145830 has 32 divisors (see below), whose sum is σ = 431988008544. Its totient is φ = 94569451776.

The previous prime is 238208145817. The next prime is 238208145839. The reversal of 238208145830 is 38541802832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238208145839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8717369 + ... + 8744651.

It is an arithmetic number, because the mean of its divisors is an integer number (13499625267).

Almost surely, 2^238208145830 is an apocalyptic number.

238208145830 is a deficient number, since it is larger than the sum of its proper divisors (193779862714).

238208145830 is a wasteful number, since it uses less digits than its factorization.

238208145830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 238208145830 in words is "two hundred thirty-eight billion, two hundred eight million, one hundred forty-five thousand, eight hundred thirty".