33021412140 has 96 divisors (see below), whose sum is σ = 97388605440. Its totient is φ = 8336908800.

The previous prime is 33021412129. The next prime is 33021412183. The reversal of 33021412140 is 4121412033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1953525 + ... + 1970355.

It is an arithmetic number, because the mean of its divisors is an integer number (1014464640).

Almost surely, 2^33021412140 is an apocalyptic number.

33021412140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33021412140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48694302720).

33021412140 is an abundant number, since it is smaller than the sum of its proper divisors (64367193300).

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

33021412140 is a wasteful number, since it uses less digits than its factorization.

33021412140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18583 (or 18581 counting only the distinct ones).

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

Adding to 33021412140 its reverse (4121412033), we get a palindrome (37142824173).

The spelling of 33021412140 in words is "thirty-three billion, twenty-one million, four hundred twelve thousand, one hundred forty".