6445333232 has 20 divisors (see below), whose sum is σ = 13448436120. Its totient is φ = 2974769088.

The previous prime is 6445333231. The next prime is 6445333243. The reversal of 6445333232 is 2323335446.

It is a junction number, because it is equal to n+sod(n) for n = 6445333192 and 6445333201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445333231) 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, 15493382 + ... + 15493797.

It is an arithmetic number, because the mean of its divisors is an integer number (672421806).

Almost surely, 2^6445333232 is an apocalyptic number.

It is an amenable number.

6445333232 is an abundant number, since it is smaller than the sum of its proper divisors (7003102888).

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

6445333232 is a wasteful number, since it uses less digits than its factorization.

6445333232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30987200 (or 30987194 counting only the distinct ones).

The product of its digits is 155520, while the sum is 35.

The square root of 6445333232 is about 80282.8327352741. The cubic root of 6445333232 is about 1861.0089365625.

Adding to 6445333232 its reverse (2323335446), we get a palindrome (8768668678).

The spelling of 6445333232 in words is "six billion, four hundred forty-five million, three hundred thirty-three thousand, two hundred thirty-two".