340433454 has 16 divisors (see below), whose sum is σ = 682270848. Its totient is φ = 113243832.

The previous prime is 340433453. The next prime is 340433459. The reversal of 340433454 is 454334043.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340433453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55332 + ... + 61175.

It is an arithmetic number, because the mean of its divisors is an integer number (42641928).

Almost surely, 2^340433454 is an apocalyptic number.

340433454 is an abundant number, since it is smaller than the sum of its proper divisors (341837394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340433454 is a wasteful number, since it uses less digits than its factorization.

340433454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116999.

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 340433454 is about 18450.8388427193. The cubic root of 340433454 is about 698.2496773747.

Adding to 340433454 its reverse (454334043), we get a palindrome (794767497).

The spelling of 340433454 in words is "three hundred forty million, four hundred thirty-three thousand, four hundred fifty-four".