33240154044 has 12 divisors (see below), whose sum is σ = 77560359464. Its totient is φ = 11080051344.

The previous prime is 33240154037. The next prime is 33240154049. The reversal of 33240154044 is 44045104233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33240154044² (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 (33240154049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385006407 + ... + 1385006430.

Almost surely, 2^33240154044 is an apocalyptic number.

It is an amenable number.

33240154044 is an abundant number, since it is smaller than the sum of its proper divisors (44320205420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33240154044 is a wasteful number, since it uses less digits than its factorization.

33240154044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770012844 (or 2770012842 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 33240154044 its reverse (44045104233), we get a palindrome (77285258277).

The spelling of 33240154044 in words is "thirty-three billion, two hundred forty million, one hundred fifty-four thousand, forty-four".