33002440540 has 12 divisors (see below), whose sum is σ = 69305125176. Its totient is φ = 13200976208.

The previous prime is 33002440517. The next prime is 33002440543. The reversal of 33002440540 is 4504420033.

It is a super-2 number, since 2×33002440540² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33002440543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825060994 + ... + 825061033.

It is an arithmetic number, because the mean of its divisors is an integer number (5775427098).

Almost surely, 2^33002440540 is an apocalyptic number.

It is an amenable number.

33002440540 is an abundant number, since it is smaller than the sum of its proper divisors (36302684636).

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

33002440540 is a wasteful number, since it uses less digits than its factorization.

33002440540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650122036 (or 1650122034 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 33002440540 its reverse (4504420033), we get a palindrome (37506860573).

The spelling of 33002440540 in words is "thirty-three billion, two million, four hundred forty thousand, five hundred forty".