33440131145 has 16 divisors (see below), whose sum is σ = 40736139840. Its totient is φ = 26346961344.

The previous prime is 33440131141. The next prime is 33440131147. The reversal of 33440131145 is 54113104433.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33440131145 - 2² = 33440131141 is a prime.

It is a super-2 number, since 2×33440131145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33440131141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2092154 + ... + 2108076.

It is an arithmetic number, because the mean of its divisors is an integer number (2546008740).

Almost surely, 2^33440131145 is an apocalyptic number.

It is an amenable number.

33440131145 is a deficient number, since it is larger than the sum of its proper divisors (7296008695).

33440131145 is a wasteful number, since it uses less digits than its factorization.

33440131145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 33440131145 its reverse (54113104433), we get a palindrome (87553235578).

The spelling of 33440131145 in words is "thirty-three billion, four hundred forty million, one hundred thirty-one thousand, one hundred forty-five".