233640134268 has 36 divisors (see below), whose sum is σ = 575363111400. Its totient is φ = 73781093664.

The previous prime is 233640134257. The next prime is 233640134293. The reversal of 233640134268 is 862431046332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26962443 + ... + 26971106.

It is an arithmetic number, because the mean of its divisors is an integer number (15982308650).

Almost surely, 2^233640134268 is an apocalyptic number.

It is an amenable number.

233640134268 is an abundant number, since it is smaller than the sum of its proper divisors (341722977132).

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

233640134268 is a wasteful number, since it uses less digits than its factorization.

233640134268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53933594 (or 53933573 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 233640134268 in words is "two hundred thirty-three billion, six hundred forty million, one hundred thirty-four thousand, two hundred sixty-eight".