33354240421 has 8 divisors (see below), whose sum is σ = 33533964288. Its totient is φ = 33174570000.

The previous prime is 33354240407. The next prime is 33354240461. The reversal of 33354240421 is 12404245333.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33354240421 - 2³³ = 24764305829 is a prime.

It is a super-2 number, since 2×33354240421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33354240461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304076 + ... + 2318506.

It is an arithmetic number, because the mean of its divisors is an integer number (4191745536).

Almost surely, 2^33354240421 is an apocalyptic number.

It is an amenable number.

33354240421 is a deficient number, since it is larger than the sum of its proper divisors (179723867).

33354240421 is a wasteful number, since it uses less digits than its factorization.

33354240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26723.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 33354240421 its reverse (12404245333), we get a palindrome (45758485754).

The spelling of 33354240421 in words is "thirty-three billion, three hundred fifty-four million, two hundred forty thousand, four hundred twenty-one".