33040221140 has 48 divisors (see below), whose sum is σ = 73482075072. Its totient is φ = 12435933696.

The previous prime is 33040221121. The next prime is 33040221167. The reversal of 33040221140 is 4112204033.

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 15 ways as a sum of consecutive naturals, for example, 2218559 + ... + 2233401.

It is an arithmetic number, because the mean of its divisors is an integer number (1530876564).

Almost surely, 2^33040221140 is an apocalyptic number.

It is an amenable number.

33040221140 is an abundant number, since it is smaller than the sum of its proper divisors (40441853932).

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

33040221140 is a wasteful number, since it uses less digits than its factorization.

33040221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416 (or 21414 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33040221140 its reverse (4112204033), we get a palindrome (37152425173).

The spelling of 33040221140 in words is "thirty-three billion, forty million, two hundred twenty-one thousand, one hundred forty".