33430110140 has 96 divisors (see below), whose sum is σ = 82496268288. Its totient is φ = 11140416000.

The previous prime is 33430110083. The next prime is 33430110149. The reversal of 33430110140 is 4101103433.

It is a super-2 number, since 2×33430110140² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33430110149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544795 + ... + 1566285.

It is an arithmetic number, because the mean of its divisors is an integer number (859336128).

Almost surely, 2^33430110140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33430110140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41248134144).

33430110140 is an abundant number, since it is smaller than the sum of its proper divisors (49066158148).

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

33430110140 is a wasteful number, since it uses less digits than its factorization.

33430110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819 (or 21817 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33430110140 its reverse (4101103433), we get a palindrome (37531213573).

The spelling of 33430110140 in words is "thirty-three billion, four hundred thirty million, one hundred ten thousand, one hundred forty".