33400321330044 has 48 divisors (see below), whose sum is σ = 80929810999296. Its totient is φ = 10709780433600.

The previous prime is 33400321330037. The next prime is 33400321330049. The reversal of 33400321330044 is 44003312300433.

It is a super-2 number, since 2×33400321330044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33400321329993 and 33400321330020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400321330049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268757667 + ... + 268881914.

It is an arithmetic number, because the mean of its divisors is an integer number (1686037729152).

Almost surely, 2^{33400321330044} is an apocalyptic number.

It is an amenable number.

33400321330044 is an abundant number, since it is smaller than the sum of its proper divisors (47529489669252).

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

33400321330044 is a wasteful number, since it uses less digits than its factorization.

33400321330044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537639786 (or 537639784 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 33400321330044 its reverse (44003312300433), we get a palindrome (77403633630477).

The spelling of 33400321330044 in words is "thirty-three trillion, four hundred billion, three hundred twenty-one million, three hundred thirty thousand, forty-four".