238930072340 has 24 divisors (see below), whose sum is σ = 513991035432. Its totient is φ = 93241003520.

The previous prime is 238930072331. The next prime is 238930072357. The reversal of 238930072340 is 43270039832.

238930072340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7205293456 + 231724778884 = 84884^2 + 481378^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145688249 + ... + 145689888.

It is an arithmetic number, because the mean of its divisors is an integer number (21416293143).

Almost surely, 2^238930072340 is an apocalyptic number.

238930072340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238930072340 is an abundant number, since it is smaller than the sum of its proper divisors (275060963092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238930072340 is a wasteful number, since it uses less digits than its factorization.

238930072340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291378187 (or 291378185 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 238930072340 in words is "two hundred thirty-eight billion, nine hundred thirty million, seventy-two thousand, three hundred forty".