340433451 has 12 divisors (see below), whose sum is σ = 503173528. Its totient is φ = 221677344.

The previous prime is 340433417. The next prime is 340433453. The reversal of 340433451 is 154334043.

It is not a de Polignac number, because 340433451 - 2⁷ = 340433323 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 439450 + ... + 440223.

Almost surely, 2^340433451 is an apocalyptic number.

340433451 is a deficient number, since it is larger than the sum of its proper divisors (162740077).

340433451 is a wasteful number, since it uses less digits than its factorization.

340433451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879722 (or 879719 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 340433451 is about 18450.8387614222. The cubic root of 340433451 is about 698.2496753237.

Adding to 340433451 its reverse (154334043), we get a palindrome (494767494).

The spelling of 340433451 in words is "three hundred forty million, four hundred thirty-three thousand, four hundred fifty-one".