33440421420331 has 4 divisors (see below), whose sum is σ = 33440448953232. Its totient is φ = 33440393887432.

The previous prime is 33440421420257. The next prime is 33440421420347. The reversal of 33440421420331 is 13302412404433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33440421420331 - 2⁹ = 33440421419819 is a prime.

It is a super-2 number, since 2×33440421420331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33440421420631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11856256 + ... + 14403181.

It is an arithmetic number, because the mean of its divisors is an integer number (8360112238308).

Almost surely, 2^{33440421420331} is an apocalyptic number.

33440421420331 is a deficient number, since it is larger than the sum of its proper divisors (27532901).

33440421420331 is a wasteful number, since it uses less digits than its factorization.

33440421420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27532900.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 33440421420331 its reverse (13302412404433), we get a palindrome (46742833824764).

The spelling of 33440421420331 in words is "thirty-three trillion, four hundred forty billion, four hundred twenty-one million, four hundred twenty thousand, three hundred thirty-one".