340140422 has 8 divisors (see below), whose sum is σ = 532393776. Its totient is φ = 162675832.

The previous prime is 340140421. The next prime is 340140431. The reversal of 340140422 is 224041043.

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

It is a junction number, because it is equal to n+sod(n) for n = 340140394 and 340140403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340140421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3697133 + ... + 3697224.

It is an arithmetic number, because the mean of its divisors is an integer number (66549222).

Almost surely, 2^340140422 is an apocalyptic number.

340140422 is a deficient number, since it is larger than the sum of its proper divisors (192253354).

340140422 is a wasteful number, since it uses less digits than its factorization.

340140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394382.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 340140422 is about 18442.8962476071. The cubic root of 340140422 is about 698.0492777256.

Adding to 340140422 its reverse (224041043), we get a palindrome (564181465).

The spelling of 340140422 in words is "three hundred forty million, one hundred forty thousand, four hundred twenty-two".