6403233432 has 16 divisors (see below), whose sum is σ = 16008083640. Its totient is φ = 2134411136.

The previous prime is 6403233371. The next prime is 6403233433. The reversal of 6403233432 is 2343323046.

It is a self number, because there is not a number n which added to its sum of digits gives 6403233432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403233433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133400673 + ... + 133400720.

Almost surely, 2^6403233432 is an apocalyptic number.

It is an amenable number.

6403233432 is an abundant number, since it is smaller than the sum of its proper divisors (9604850208).

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

6403233432 is a wasteful number, since it uses less digits than its factorization.

6403233432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266801402 (or 266801398 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

The square root of 6403233432 is about 80020.2063981342. The cubic root of 6403233432 is about 1856.9481529256.

Adding to 6403233432 its reverse (2343323046), we get a palindrome (8746556478).

The spelling of 6403233432 in words is "six billion, four hundred three million, two hundred thirty-three thousand, four hundred thirty-two".