232444040138 has 16 divisors (see below), whose sum is σ = 353098414080. Its totient is φ = 114744726096.

The previous prime is 232444040051. The next prime is 232444040159. The reversal of 232444040138 is 831040444232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232444040098 and 232444040107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838231 + ... + 4886037.

It is an arithmetic number, because the mean of its divisors is an integer number (22068650880).

Almost surely, 2^232444040138 is an apocalyptic number.

232444040138 is a deficient number, since it is larger than the sum of its proper divisors (120654373942).

232444040138 is a wasteful number, since it uses less digits than its factorization.

232444040138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78661.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 232444040138 in words is "two hundred thirty-two billion, four hundred forty-four million, forty thousand, one hundred thirty-eight".