33440421420346 has 8 divisors (see below), whose sum is σ = 52341529179744. Its totient is φ = 15993245027100.

The previous prime is 33440421420257. The next prime is 33440421420347. The reversal of 33440421420346 is 64302412404433.

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

It is a super-2 number, since 2×33440421420346² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33440421420299 and 33440421420308.

It is not an unprimeable number, because it can be changed into a prime (33440421420347) 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, 363482841480 + ... + 363482841571.

It is an arithmetic number, because the mean of its divisors is an integer number (6542691147468).

Almost surely, 2^{33440421420346} is an apocalyptic number.

33440421420346 is a deficient number, since it is larger than the sum of its proper divisors (18901107759398).

33440421420346 is a wasteful number, since it uses less digits than its factorization.

33440421420346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726965683076.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 33440421420346 its reverse (64302412404433), we get a palindrome (97742833824779).

The spelling of 33440421420346 in words is "thirty-three trillion, four hundred forty billion, four hundred twenty-one million, four hundred twenty thousand, three hundred forty-six".