340140324 has 24 divisors (see below), whose sum is σ = 794078208. Its totient is φ = 113320480.

The previous prime is 340140323. The next prime is 340140347. The reversal of 340140324 is 423041043.

It is a self number, because there is not a number n which added to its sum of digits gives 340140324.

It is not an unprimeable number, because it can be changed into a prime (340140323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20509 + ... + 33179.

It is an arithmetic number, because the mean of its divisors is an integer number (33086592).

Almost surely, 2^340140324 is an apocalyptic number.

It is an amenable number.

340140324 is an abundant number, since it is smaller than the sum of its proper divisors (453937884).

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

340140324 is a wasteful number, since it uses less digits than its factorization.

340140324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14915 (or 14913 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 340140324 is about 18442.8935907574. The cubic root of 340140324 is about 698.0492106858.

Adding to 340140324 its reverse (423041043), we get a palindrome (763181367).

The spelling of 340140324 in words is "three hundred forty million, one hundred forty thousand, three hundred twenty-four".