33044404420421 has 8 divisors (see below), whose sum is σ = 34119969740544. Its totient is φ = 31969440149760.

The previous prime is 33044404420351. The next prime is 33044404420481. The reversal of 33044404420421 is 12402440444033.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33044404420421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33044404420481) 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, 150150620 + ... + 150370533.

It is an arithmetic number, because the mean of its divisors is an integer number (4264996217568).

Almost surely, 2^{33044404420421} is an apocalyptic number.

33044404420421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33044404420421 is a deficient number, since it is larger than the sum of its proper divisors (1075565320123).

33044404420421 is a wasteful number, since it uses less digits than its factorization.

33044404420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300524731.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 33044404420421 its reverse (12402440444033), we get a palindrome (45446844864454).

The spelling of 33044404420421 in words is "thirty-three trillion, forty-four billion, four hundred four million, four hundred twenty thousand, four hundred twenty-one".