232045432640 has 56 divisors (see below), whose sum is σ = 631495076352. Its totient is φ = 79558433280.

The previous prime is 232045432583. The next prime is 232045432643. The reversal of 232045432640 is 46234540232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 232045432640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232045432643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51793616 + ... + 51798095.

It is an arithmetic number, because the mean of its divisors is an integer number (11276697792).

Almost surely, 2^232045432640 is an apocalyptic number.

232045432640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232045432640 is an abundant number, since it is smaller than the sum of its proper divisors (399449643712).

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

232045432640 is a wasteful number, since it uses less digits than its factorization.

232045432640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103591735 (or 103591725 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 232045432640 its reverse (46234540232), we get a palindrome (278279972872).

The spelling of 232045432640 in words is "two hundred thirty-two billion, forty-five million, four hundred thirty-two thousand, six hundred forty".