340445312 has 32 divisors (see below), whose sum is σ = 680263500. Its totient is φ = 169712640.

The previous prime is 340445309. The next prime is 340445327. The reversal of 340445312 is 213544043.

It can be written as a sum of positive squares in 2 ways, for example, as 302203456 + 38241856 = 17384^2 + 6184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40862 + ... + 48482.

Almost surely, 2^340445312 is an apocalyptic number.

340445312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

340445312 is a deficient number, since it is larger than the sum of its proper divisors (339818188).

340445312 is an equidigital number, since it uses as much as digits as its factorization.

340445312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984 (or 7972 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 340445312 is about 18451.1601803247. The cubic root of 340445312 is about 698.2577844398.

Adding to 340445312 its reverse (213544043), we get a palindrome (553989355).

The spelling of 340445312 in words is "three hundred forty million, four hundred forty-five thousand, three hundred twelve".