340128352 has 36 divisors (see below), whose sum is σ = 675966060. Its totient is φ = 168469056.

The previous prime is 340128337. The next prime is 340128379. The reversal of 340128352 is 253821043.

It is a self number, because there is not a number n which added to its sum of digits gives 340128352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515799 + ... + 516457.

It is an arithmetic number, because the mean of its divisors is an integer number (18776835).

Almost surely, 2^340128352 is an apocalyptic number.

340128352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

340128352 is a deficient number, since it is larger than the sum of its proper divisors (335837708).

340128352 is an equidigital number, since it uses as much as digits as its factorization.

340128352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 340128352 is about 18442.5690184421. The cubic root of 340128352 is about 698.0410207882.

Adding to 340128352 its reverse (253821043), we get a palindrome (593949395).

The spelling of 340128352 in words is "three hundred forty million, one hundred twenty-eight thousand, three hundred fifty-two".