340444042 has 8 divisors (see below), whose sum is σ = 519321600. Its totient is φ = 167336844.

The previous prime is 340444037. The next prime is 340444043. The reversal of 340444042 is 240444043.

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 = 340443998 and 340444016.

It is not an unprimeable number, because it can be changed into a prime (340444043) 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, 1442442 + ... + 1442677.

It is an arithmetic number, because the mean of its divisors is an integer number (64915200).

Almost surely, 2^340444042 is an apocalyptic number.

340444042 is a deficient number, since it is larger than the sum of its proper divisors (178877558).

340444042 is a wasteful number, since it uses less digits than its factorization.

340444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885180.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 340444042 is about 18451.1257651125. The cubic root of 340444042 is about 698.2569161766.

Adding to 340444042 its reverse (240444043), we get a palindrome (580888085).

Subtracting from 340444042 its reverse (240444043), we obtain a palindrome (99999999).

The spelling of 340444042 in words is "three hundred forty million, four hundred forty-four thousand, forty-two".