340330404 has 12 divisors (see below), whose sum is σ = 794104304. Its totient is φ = 113443464.

The previous prime is 340330391. The next prime is 340330421. The reversal of 340330404 is 404033043.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14180422 + ... + 14180445.

Almost surely, 2^340330404 is an apocalyptic number.

It is an amenable number.

340330404 is an abundant number, since it is smaller than the sum of its proper divisors (453773900).

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

340330404 is a wasteful number, since it uses less digits than its factorization.

340330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28360874 (or 28360872 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340330404 is about 18448.0460753978. The cubic root of 340330404 is about 698.1792163297.

Adding to 340330404 its reverse (404033043), we get a palindrome (744363447).

The spelling of 340330404 in words is "three hundred forty million, three hundred thirty thousand, four hundred four".