3233145520 has 40 divisors (see below), whose sum is σ = 8200434960. Its totient is φ = 1175688960.

The previous prime is 3233145499. The next prime is 3233145521. The reversal of 3233145520 is 255413323.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3233145521) 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, 1836135 + ... + 1837894.

It is an arithmetic number, because the mean of its divisors is an integer number (205010874).

Almost surely, 2^3233145520 is an apocalyptic number.

It is an amenable number.

3233145520 is an abundant number, since it is smaller than the sum of its proper divisors (4967289440).

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

3233145520 is a wasteful number, since it uses less digits than its factorization.

3233145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674053 (or 3674047 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3233145520 is about 56860.7555349030. The cubic root of 3233145520 is about 1478.6830139573.

Adding to 3233145520 its reverse (255413323), we get a palindrome (3488558843).

The spelling of 3233145520 in words is "three billion, two hundred thirty-three million, one hundred forty-five thousand, five hundred twenty".