33421320304442 has 16 divisors (see below), whose sum is σ = 58018928559360. Its totient is φ = 14142113835408.

The previous prime is 33421320304417. The next prime is 33421320304457. The reversal of 33421320304442 is 24440302312433.

It is a super-2 number, since 2×33421320304442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15109094873 + ... + 15109097084.

It is an arithmetic number, because the mean of its divisors is an integer number (3626183034960).

Almost surely, 2^{33421320304442} is an apocalyptic number.

33421320304442 is a deficient number, since it is larger than the sum of its proper divisors (24597608254918).

33421320304442 is a wasteful number, since it uses less digits than its factorization.

33421320304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218192045.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 33421320304442 its reverse (24440302312433), we get a palindrome (57861622616875).

The spelling of 33421320304442 in words is "thirty-three trillion, four hundred twenty-one billion, three hundred twenty million, three hundred four thousand, four hundred forty-two".