238618392345 has 128 divisors (see below), whose sum is σ = 462163968000. Its totient is φ = 116366595840.

The previous prime is 238618392293. The next prime is 238618392361. The reversal of 238618392345 is 543293816832.

238618392345 is a `hidden beast` number, since 2 + 38 + 6 + 183 + 92 + 345 = 666.

It is not a de Polignac number, because 238618392345 - 2⁶ = 238618392281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238618392291 and 238618392300.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31563676 + ... + 31571234.

It is an arithmetic number, because the mean of its divisors is an integer number (3610656000).

Almost surely, 2^238618392345 is an apocalyptic number.

It is an amenable number.

238618392345 is a deficient number, since it is larger than the sum of its proper divisors (223545575655).

238618392345 is a wasteful number, since it uses less digits than its factorization.

238618392345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020 (or 8014 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 238618392345 in words is "two hundred thirty-eight billion, six hundred eighteen million, three hundred ninety-two thousand, three hundred forty-five".