33441120142 has 4 divisors (see below), whose sum is σ = 50161680216. Its totient is φ = 16720560070.

The previous prime is 33441120137. The next prime is 33441120149. The reversal of 33441120142 is 24102114433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24102114433 = 103 ⋅234001111.

It is a super-2 number, since 2×33441120142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33441120149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8360280034 + ... + 8360280037.

It is an arithmetic number, because the mean of its divisors is an integer number (12540420054).

Almost surely, 2^33441120142 is an apocalyptic number.

33441120142 is a deficient number, since it is larger than the sum of its proper divisors (16720560074).

33441120142 is a wasteful number, since it uses less digits than its factorization.

33441120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720560073.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 33441120142 its reverse (24102114433), we get a palindrome (57543234575).

The spelling of 33441120142 in words is "thirty-three billion, four hundred forty-one million, one hundred twenty thousand, one hundred forty-two".