232780764438 has 40 divisors (see below), whose sum is σ = 521709378960. Its totient is φ = 77577516720.

The previous prime is 232780764383. The next prime is 232780764443. The reversal of 232780764438 is 834467087232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 648903 + ... + 941613.

It is an arithmetic number, because the mean of its divisors is an integer number (13042734474).

Almost surely, 2^232780764438 is an apocalyptic number.

232780764438 is an abundant number, since it is smaller than the sum of its proper divisors (288928614522).

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

232780764438 is a wasteful number, since it uses less digits than its factorization.

232780764438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297634 (or 297625 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 232780764438 in words is "two hundred thirty-two billion, seven hundred eighty million, seven hundred sixty-four thousand, four hundred thirty-eight".