33240506540 has 24 divisors (see below), whose sum is σ = 71290279872. Its totient is φ = 13013304320.

The previous prime is 33240506539. The next prime is 33240506543. The reversal of 33240506540 is 4560504233.

It is a super-2 number, since 2×33240506540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33240506497 and 33240506506.

It is not an unprimeable number, because it can be changed into a prime (33240506543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17680181 + ... + 17682060.

It is an arithmetic number, because the mean of its divisors is an integer number (2970428328).

Almost surely, 2^33240506540 is an apocalyptic number.

It is an amenable number.

33240506540 is an abundant number, since it is smaller than the sum of its proper divisors (38049773332).

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

33240506540 is a wasteful number, since it uses less digits than its factorization.

33240506540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35362297 (or 35362295 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 33240506540 in words is "thirty-three billion, two hundred forty million, five hundred six thousand, five hundred forty".