340344305422354 has 4 divisors (see below), whose sum is σ = 510516458133534. Its totient is φ = 170172152711176.

The previous prime is 340344305422271. The next prime is 340344305422367. The reversal of 340344305422354 is 453224503443043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 336605987580625 + 3738317841729 = 18346825^2 + 1933473^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85086076355587 + ... + 85086076355590.

Almost surely, 2^{340344305422354} is an apocalyptic number.

340344305422354 is a deficient number, since it is larger than the sum of its proper divisors (170172152711180).

340344305422354 is a wasteful number, since it uses less digits than its factorization.

340344305422354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170172152711179.

The product of its (nonzero) digits is 8294400, while the sum is 46.

Adding to 340344305422354 its reverse (453224503443043), we get a palindrome (793568808865397).

The spelling of 340344305422354 in words is "three hundred forty trillion, three hundred forty-four billion, three hundred five million, four hundred twenty-two thousand, three hundred fifty-four".