33440141 has 4 divisors (see below), whose sum is σ = 38217312. Its totient is φ = 28662972.

The previous prime is 33440123. The next prime is 33440149. The reversal of 33440141 is 14104433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14104433 = 7 ⋅2014919.

It is a cyclic number.

It is not a de Polignac number, because 33440141 - 2¹⁸ = 33177997 is a prime.

It is a super-2 number, since 2×33440141² = 2236486060199762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440149) 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, 2388575 + ... + 2388588.

It is an arithmetic number, because the mean of its divisors is an integer number (9554328).

Almost surely, 2^33440141 is an apocalyptic number.

It is an amenable number.

33440141 is a deficient number, since it is larger than the sum of its proper divisors (4777171).

33440141 is an equidigital number, since it uses as much as digits as its factorization.

33440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777170.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 33440141 is about 5782.7451093750. The cubic root of 33440141 is about 322.1731672758.

Adding to 33440141 its reverse (14104433), we get a palindrome (47544574).

The spelling of 33440141 in words is "thirty-three million, four hundred forty thousand, one hundred forty-one".