33120243441 has 16 divisors (see below), whose sum is σ = 49084185600. Its totient is φ = 22072441104.

The previous prime is 33120243427. The next prime is 33120243449. The reversal of 33120243441 is 14434202133.

33120243441 is a `hidden beast` number, since 3 + 312 + 0 + 2 + 4 + 344 + 1 = 666.

It is not a de Polignac number, because 33120243441 - 2¹¹ = 33120241393 is a prime.

It is a super-2 number, since 2×33120243441² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33120243449) 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, 135306 + ... + 290771.

It is an arithmetic number, because the mean of its divisors is an integer number (3067761600).

Almost surely, 2^33120243441 is an apocalyptic number.

It is an amenable number.

33120243441 is a deficient number, since it is larger than the sum of its proper divisors (15963942159).

33120243441 is a wasteful number, since it uses less digits than its factorization.

33120243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428965 (or 428959 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33120243441 its reverse (14434202133), we get a palindrome (47554445574).

The spelling of 33120243441 in words is "thirty-three billion, one hundred twenty million, two hundred forty-three thousand, four hundred forty-one".