238628260305 has 40 divisors (see below), whose sum is σ = 427924635072. Its totient is φ = 127220391072.

The previous prime is 238628260253. The next prime is 238628260331. The reversal of 238628260305 is 503062826832.

238628260305 is a `hidden beast` number, since 2 + 3 + 8 + 6 + 282 + 60 + 305 = 666.

It is not a de Polignac number, because 238628260305 - 2⁸ = 238628260049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 976812 + ... + 1196418.

Almost surely, 2^238628260305 is an apocalyptic number.

It is an amenable number.

238628260305 is a deficient number, since it is larger than the sum of its proper divisors (189296374767).

238628260305 is a wasteful number, since it uses less digits than its factorization.

238628260305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222307 (or 222298 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 238628260305 in words is "two hundred thirty-eight billion, six hundred twenty-eight million, two hundred sixty thousand, three hundred five".