133312432032444 has 96 divisors (see below), whose sum is σ = 357817166156800. Its totient is φ = 37841547921408.

The previous prime is 133312432032427. The next prime is 133312432032463. The reversal of 133312432032444 is 444230234213331.

It is a super-2 number, since 2×133312432032444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5324802 + ... + 17174934.

Almost surely, 2^{133312432032444} is an apocalyptic number.

133312432032444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133312432032444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178908583078400).

133312432032444 is an abundant number, since it is smaller than the sum of its proper divisors (224504734124356).

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

133312432032444 is a wasteful number, since it uses less digits than its factorization.

133312432032444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851019 (or 11851017 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 133312432032444 its reverse (444230234213331), we get a palindrome (577542666245775).

The spelling of 133312432032444 in words is "one hundred thirty-three trillion, three hundred twelve billion, four hundred thirty-two million, thirty-two thousand, four hundred forty-four".