3325724240 has 20 divisors (see below), whose sum is σ = 7732309044. Its totient is φ = 1330289664.

The previous prime is 3325724239. The next prime is 3325724257. The reversal of 3325724240 is 424275233.

It can be written as a sum of positive squares in 2 ways, for example, as 2623898176 + 701826064 = 51224^2 + 26492^2 .

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

It is a super-2 number, since 2×3325724240² = 22120883441047155200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3325724197 and 3325724206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20785697 + ... + 20785856.

Almost surely, 2^3325724240 is an apocalyptic number.

It is an amenable number.

3325724240 is an abundant number, since it is smaller than the sum of its proper divisors (4406584804).

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

3325724240 is a wasteful number, since it uses less digits than its factorization.

3325724240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41571566 (or 41571560 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 3325724240 is about 57669.0925886649. The cubic root of 3325724240 is about 1492.6640686354.

Adding to 3325724240 its reverse (424275233), we get a palindrome (3749999473).

The spelling of 3325724240 in words is "three billion, three hundred twenty-five million, seven hundred twenty-four thousand, two hundred forty".