33113304140 has 192 divisors, whose sum is σ = 85822571520. Its totient is φ = 10474168320.

The previous prime is 33113304127. The next prime is 33113304149. The reversal of 33113304140 is 4140331133.

It is a super-2 number, since 2×33113304140² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33113304149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44807891 + ... + 44808629.

It is an arithmetic number, because the mean of its divisors is an integer number (446992560).

Almost surely, 2^33113304140 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 33113304140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42911285760).

33113304140 is an abundant number, since it is smaller than the sum of its proper divisors (52709267380).

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

33113304140 is a wasteful number, since it uses less digits than its factorization.

33113304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 33113304140 its reverse (4140331133), we get a palindrome (37253635273).

The spelling of 33113304140 in words is "thirty-three billion, one hundred thirteen million, three hundred four thousand, one hundred forty".