33012230240 has 48 divisors (see below), whose sum is σ = 85081525200. Its totient is φ = 12004446720.

The previous prime is 33012230231. The next prime is 33012230263. The reversal of 33012230240 is 4203221033.

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

It is a congruent number.

It is an unprimeable number.

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, 9376715 + ... + 9380234.

It is an arithmetic number, because the mean of its divisors is an integer number (1772531775).

Almost surely, 2^33012230240 is an apocalyptic number.

It is an amenable number.

33012230240 is an abundant number, since it is smaller than the sum of its proper divisors (52069294960).

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

33012230240 is a wasteful number, since it uses less digits than its factorization.

33012230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18756975 (or 18756967 counting only the distinct ones).

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

Adding to 33012230240 its reverse (4203221033), we get a palindrome (37215451273).

The spelling of 33012230240 in words is "thirty-three billion, twelve million, two hundred thirty thousand, two hundred forty".