33325004240 has 40 divisors (see below), whose sum is σ = 84524331168. Its totient is φ = 12118183040.

The previous prime is 33325004197. The next prime is 33325004327. The reversal of 33325004240 is 4240052333.

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

It is a super-2 number, since 2×33325004240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18933782 + ... + 18935541.

Almost surely, 2^33325004240 is an apocalyptic number.

It is an amenable number.

33325004240 is an abundant number, since it is smaller than the sum of its proper divisors (51199326928).

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

33325004240 is a wasteful number, since it uses less digits than its factorization.

33325004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37869347 (or 37869341 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 33325004240 its reverse (4240052333), we get a palindrome (37565056573).

The spelling of 33325004240 in words is "thirty-three billion, three hundred twenty-five million, four thousand, two hundred forty".