33421350345440 has 24 divisors (see below), whose sum is σ = 78957940191480. Its totient is φ = 13368540138112.

The previous prime is 33421350345433. The next prime is 33421350345463. The reversal of 33421350345440 is 4454305312433.

It is a super-2 number, since 2×33421350345440² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104441719670 + ... + 104441719989.

It is an arithmetic number, because the mean of its divisors is an integer number (3289914174645).

Almost surely, 2^{33421350345440} is an apocalyptic number.

It is an amenable number.

33421350345440 is an abundant number, since it is smaller than the sum of its proper divisors (45536589846040).

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

33421350345440 is a wasteful number, since it uses less digits than its factorization.

33421350345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208883439674 (or 208883439666 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 33421350345440 its reverse (4454305312433), we get a palindrome (37875655657873).

The spelling of 33421350345440 in words is "thirty-three trillion, four hundred twenty-one billion, three hundred fifty million, three hundred forty-five thousand, four hundred forty".