340630455 has 16 divisors (see below), whose sum is σ = 594555264. Its totient is φ = 165154080.

The previous prime is 340630453. The next prime is 340630457. The reversal of 340630455 is 554036043.

It is an interprime number because it is at equal distance from previous prime (340630453) and next prime (340630457).

It is not a de Polignac number, because 340630455 - 2¹ = 340630453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340630453) 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 15 ways as a sum of consecutive naturals, for example, 1032049 + ... + 1032378.

It is an arithmetic number, because the mean of its divisors is an integer number (37159704).

Almost surely, 2^340630455 is an apocalyptic number.

340630455 is a deficient number, since it is larger than the sum of its proper divisors (253924809).

340630455 is a wasteful number, since it uses less digits than its factorization.

340630455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064446.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 340630455 is about 18456.1766083878. The cubic root of 340630455 is about 698.3843384057.

Adding to 340630455 its reverse (554036043), we get a palindrome (894666498).

The spelling of 340630455 in words is "three hundred forty million, six hundred thirty thousand, four hundred fifty-five".