340346442 has 8 divisors (see below), whose sum is σ = 680692896. Its totient is φ = 113448812.

The previous prime is 340346437. The next prime is 340346471. The reversal of 340346442 is 244643043.

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

340346442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28362198 + ... + 28362209.

It is an arithmetic number, because the mean of its divisors is an integer number (85086612).

Almost surely, 2^340346442 is an apocalyptic number.

340346442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340346442 is a wasteful number, since it uses less digits than its factorization.

340346442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56724412.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 340346442 is about 18448.4807504575. The cubic root of 340346442 is about 698.1901833412.

Adding to 340346442 its reverse (244643043), we get a palindrome (584989485).

The spelling of 340346442 in words is "three hundred forty million, three hundred forty-six thousand, four hundred forty-two".