344040442 has 8 divisors (see below), whose sum is σ = 516924000. Its totient is φ = 171732444.

The previous prime is 344040421. The next prime is 344040443. The reversal of 344040442 is 244040443.

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

It is not an unprimeable number, because it can be changed into a prime (344040443) 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, 142392 + ... + 144787.

It is an arithmetic number, because the mean of its divisors is an integer number (64615500).

Almost surely, 2^344040442 is an apocalyptic number.

344040442 is a deficient number, since it is larger than the sum of its proper divisors (172883558).

344040442 is a wasteful number, since it uses less digits than its factorization.

344040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287780.

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

The square root of 344040442 is about 18548.3272022034. The cubic root of 344040442 is about 700.7070692232.

Adding to 344040442 its reverse (244040443), we get a palindrome (588080885).

Subtracting from 344040442 its reverse (244040443), we obtain a palindrome (99999999).

The spelling of 344040442 in words is "three hundred forty-four million, forty thousand, four hundred forty-two".