334243040421 has 8 divisors (see below), whose sum is σ = 449059352544. Its totient is φ = 221127710960.

The previous prime is 334243040413. The next prime is 334243040497. The reversal of 334243040421 is 124040342433.

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 334243040421 - 2³ = 334243040413 is a prime.

It is a super-2 number, since 2×334243040421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334243040821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425245206 + ... + 425245991.

It is an arithmetic number, because the mean of its divisors is an integer number (56132419068).

Almost surely, 2^334243040421 is an apocalyptic number.

It is an amenable number.

334243040421 is a deficient number, since it is larger than the sum of its proper divisors (114816312123).

334243040421 is a wasteful number, since it uses less digits than its factorization.

334243040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850491331.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 334243040421 its reverse (124040342433), we get a palindrome (458283382854).

The spelling of 334243040421 in words is "three hundred thirty-four billion, two hundred forty-three million, forty thousand, four hundred twenty-one".