33503230354144 has 96 divisors (see below), whose sum is σ = 70217060004000. Its totient is φ = 15690318741504.

The previous prime is 33503230354141. The next prime is 33503230354171. The reversal of 33503230354144 is 44145303230533.

It is a super-2 number, since 2×33503230354144² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33503230354097 and 33503230354106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33503230354141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997429702 + ... + 997463290.

It is an arithmetic number, because the mean of its divisors is an integer number (731427708375).

Almost surely, 2^{33503230354144} 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 33503230354144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35108530002000).

33503230354144 is an abundant number, since it is smaller than the sum of its proper divisors (36713829649856).

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

33503230354144 is a wasteful number, since it uses less digits than its factorization.

33503230354144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140 (or 52132 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 33503230354144 its reverse (44145303230533), we get a palindrome (77648533584677).

The spelling of 33503230354144 in words is "thirty-three trillion, five hundred three billion, two hundred thirty million, three hundred fifty-four thousand, one hundred forty-four".