340243434451 has 8 divisors (see below), whose sum is σ = 340727072400. Its totient is φ = 339760000128.

The previous prime is 340243434437. The next prime is 340243434497. The reversal of 340243434451 is 154434342043.

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-340243434451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340243434451.

It is not an unprimeable number, because it can be changed into a prime (340243434431) 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, 3464415 + ... + 3561271.

It is an arithmetic number, because the mean of its divisors is an integer number (42590884050).

Almost surely, 2^340243434451 is an apocalyptic number.

340243434451 is a deficient number, since it is larger than the sum of its proper divisors (483637949).

340243434451 is an equidigital number, since it uses as much as digits as its factorization.

340243434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101813.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 340243434451 its reverse (154434342043), we get a palindrome (494677776494).

The spelling of 340243434451 in words is "three hundred forty billion, two hundred forty-three million, four hundred thirty-four thousand, four hundred fifty-one".