33023142111440 has 120 divisors (see below), whose sum is σ = 83162162926008. Its totient is φ = 12189789480960.

The previous prime is 33023142111433. The next prime is 33023142111457. The reversal of 33023142111440 is 4411124132033.

It can be written as a sum of positive squares in 12 ways, for example, as 28980694090384 + 4042448021056 = 5383372^2 + 2010584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48836450 + ... + 49508030.

Almost surely, 2^{33023142111440} 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 33023142111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41581081463004).

33023142111440 is an abundant number, since it is smaller than the sum of its proper divisors (50139020814568).

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

33023142111440 is a wasteful number, since it uses less digits than its factorization.

33023142111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675257 (or 675238 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 33023142111440 its reverse (4411124132033), we get a palindrome (37434266243473).

The spelling of 33023142111440 in words is "thirty-three trillion, twenty-three billion, one hundred forty-two million, one hundred eleven thousand, four hundred forty".