340040422 has 8 divisors (see below), whose sum is σ = 511393536. Its totient is φ = 169575912.

The previous prime is 340040419. The next prime is 340040453. The reversal of 340040422 is 224040043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 340040422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221193 + ... + 222724.

It is an arithmetic number, because the mean of its divisors is an integer number (63924192).

Almost surely, 2^340040422 is an apocalyptic number.

340040422 is a deficient number, since it is larger than the sum of its proper divisors (171353114).

340040422 is a wasteful number, since it uses less digits than its factorization.

340040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444302.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 340040422 is about 18440.1849773802. The cubic root of 340040422 is about 697.9808630698.

Adding to 340040422 its reverse (224040043), we get a palindrome (564080465).

The spelling of 340040422 in words is "three hundred forty million, forty thousand, four hundred twenty-two".