3243130040 has 16 divisors (see below), whose sum is σ = 7297042680. Its totient is φ = 1297252000.

The previous prime is 3243130027. The next prime is 3243130061. The reversal of 3243130040 is 400313423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3243129994 and 3243130021.

It is a congruent number.

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, 40539086 + ... + 40539165.

Almost surely, 2^3243130040 is an apocalyptic number.

It is an amenable number.

3243130040 is an abundant number, since it is smaller than the sum of its proper divisors (4053912640).

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

3243130040 is a wasteful number, since it uses less digits than its factorization.

3243130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81078262 (or 81078258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3243130040 is about 56948.4858446649. The cubic root of 3243130040 is about 1480.2035938568.

Adding to 3243130040 its reverse (400313423), we get a palindrome (3643443463).

The spelling of 3243130040 in words is "three billion, two hundred forty-three million, one hundred thirty thousand, forty".