340316420 has 24 divisors (see below), whose sum is σ = 722698200. Its totient is φ = 134596352.

The previous prime is 340316413. The next prime is 340316521. The reversal of 340316420 is 24613043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61504 + 340254916 = 248^2 + 18446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93815 + ... + 97374.

It is an arithmetic number, because the mean of its divisors is an integer number (30112425).

Almost surely, 2^340316420 is an apocalyptic number.

It is an amenable number.

340316420 is an abundant number, since it is smaller than the sum of its proper divisors (382381780).

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

340316420 is a wasteful number, since it uses less digits than its factorization.

340316420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191287 (or 191285 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 340316420 is about 18447.6670611761. The cubic root of 340316420 is about 698.1696535913.

Adding to 340316420 its reverse (24613043), we get a palindrome (364929463).

The spelling of 340316420 in words is "three hundred forty million, three hundred sixteen thousand, four hundred twenty".