3133432240 has 20 divisors (see below), whose sum is σ = 7285230144. Its totient is φ = 1253372864.

The previous prime is 3133432207. The next prime is 3133432261. The reversal of 3133432240 is 422343313.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19583872 + ... + 19584031.

Almost surely, 2^3133432240 is an apocalyptic number.

It is an amenable number.

3133432240 is an abundant number, since it is smaller than the sum of its proper divisors (4151797904).

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

3133432240 is a wasteful number, since it uses less digits than its factorization.

3133432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39167916 (or 39167910 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 3133432240 is about 55977.0688764605. The cubic root of 3133432240 is about 1463.3226758229.

Adding to 3133432240 its reverse (422343313), we get a palindrome (3555775553).

The spelling of 3133432240 in words is "three billion, one hundred thirty-three million, four hundred thirty-two thousand, two hundred forty".