33140234441 has 4 divisors (see below), whose sum is σ = 33948532884. Its totient is φ = 32331936000.

The previous prime is 33140234429. The next prime is 33140234453. The reversal of 33140234441 is 14443204133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14443204133 = 479 ⋅30152827.

It is an interprime number because it is at equal distance from previous prime (33140234429) and next prime (33140234453).

It can be written as a sum of positive squares in 2 ways, for example, as 14150292025 + 18989942416 = 118955^2 + 137804^2 .

It is a cyclic number.

It is not a de Polignac number, because 33140234441 - 2²² = 33136040137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140234041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404149160 + ... + 404149241.

It is an arithmetic number, because the mean of its divisors is an integer number (8487133221).

Almost surely, 2^33140234441 is an apocalyptic number.

It is an amenable number.

33140234441 is a deficient number, since it is larger than the sum of its proper divisors (808298443).

33140234441 is an equidigital number, since it uses as much as digits as its factorization.

33140234441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808298442.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 33140234441 its reverse (14443204133), we get a palindrome (47583438574).

The spelling of 33140234441 in words is "thirty-three billion, one hundred forty million, two hundred thirty-four thousand, four hundred forty-one".