340421021440341 has 8 divisors (see below), whose sum is σ = 473629247221440. Its totient is φ = 217080071643072.

The previous prime is 340421021440321. The next prime is 340421021440349. The reversal of 340421021440341 is 143044120124043.

It is a happy number.

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

It is not a de Polignac number, because 340421021440341 - 2¹⁷ = 340421021309269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340421021440349) 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, 2466818995876 + ... + 2466818996013.

It is an arithmetic number, because the mean of its divisors is an integer number (59203655902680).

Almost surely, 2^{340421021440341} is an apocalyptic number.

It is an amenable number.

340421021440341 is a deficient number, since it is larger than the sum of its proper divisors (133208225781099).

340421021440341 is a wasteful number, since it uses less digits than its factorization.

340421021440341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933637991915.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 340421021440341 its reverse (143044120124043), we get a palindrome (483465141564384).

The spelling of 340421021440341 in words is "three hundred forty trillion, four hundred twenty-one billion, twenty-one million, four hundred forty thousand, three hundred forty-one".