340949872434 has 8 divisors (see below), whose sum is σ = 681899744880. Its totient is φ = 113649957476.

The previous prime is 340949872391. The next prime is 340949872453. The reversal of 340949872434 is 434278949043.

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

340949872434 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28412489364 + ... + 28412489375.

It is an arithmetic number, because the mean of its divisors is an integer number (85237468110).

Almost surely, 2^340949872434 is an apocalyptic number.

340949872434 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.

340949872434 is a wasteful number, since it uses less digits than its factorization.

340949872434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56824978744.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 340949872434 in words is "three hundred forty billion, nine hundred forty-nine million, eight hundred seventy-two thousand, four hundred thirty-four".