33450444144 has 60 divisors (see below), whose sum is σ = 100815927576. Its totient is φ = 10292443776.

The previous prime is 33450444133. The next prime is 33450444149. The reversal of 33450444144 is 44144405433.

33450444144 is a `hidden beast` number, since 3 + 3 + 4 + 504 + 4 + 4 + 144 = 666.

It is a super-2 number, since 2×33450444144² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 33450444099 and 33450444108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33450444149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8932542 + ... + 8936285.

Almost surely, 2^33450444144 is an apocalyptic number.

It is an amenable number.

33450444144 is an abundant number, since it is smaller than the sum of its proper divisors (67365483432).

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

33450444144 is a wasteful number, since it uses less digits than its factorization.

33450444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868854 (or 17868845 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 33450444144 its reverse (44144405433), we get a palindrome (77594849577).

The spelling of 33450444144 in words is "thirty-three billion, four hundred fifty million, four hundred forty-four thousand, one hundred forty-four".