33042121140 has 48 divisors (see below), whose sum is σ = 105734788992. Its totient is φ = 7552484736.

The previous prime is 33042121121. The next prime is 33042121141. The reversal of 33042121140 is 4112124033.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33042121141) 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 15 ways as a sum of consecutive naturals, for example, 39335439 + ... + 39336278.

It is an arithmetic number, because the mean of its divisors is an integer number (2202808104).

Almost surely, 2^33042121140 is an apocalyptic number.

33042121140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33042121140 is an abundant number, since it is smaller than the sum of its proper divisors (72692667852).

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

33042121140 is a wasteful number, since it uses less digits than its factorization.

33042121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78671736 (or 78671734 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 33042121140 its reverse (4112124033), we get a palindrome (37154245173).

The spelling of 33042121140 in words is "thirty-three billion, forty-two million, one hundred twenty-one thousand, one hundred forty".