232444040136 has 128 divisors (see below), whose sum is σ = 741350016000. Its totient is φ = 58970983680.

The previous prime is 232444040051. The next prime is 232444040159. The reversal of 232444040136 is 631040444232.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 232444040097 and 232444040106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383111 + ... + 1542038.

It is an arithmetic number, because the mean of its divisors is an integer number (5791797000).

Almost surely, 2^232444040136 is an apocalyptic number.

It is an amenable number.

232444040136 is an abundant number, since it is smaller than the sum of its proper divisors (508905975864).

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

232444040136 is a wasteful number, since it uses less digits than its factorization.

232444040136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925219 (or 2925215 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 232444040136 its reverse (631040444232), we get a palindrome (863484484368).

The spelling of 232444040136 in words is "two hundred thirty-two billion, four hundred forty-four million, forty thousand, one hundred thirty-six".