344402342434 has 8 divisors (see below), whose sum is σ = 516608024220. Its totient is φ = 172199667696.

The previous prime is 344402342419. The next prime is 344402342441. The reversal of 344402342434 is 434243204443.

It can be written as a sum of positive squares in 2 ways, for example, as 246775465225 + 97626877209 = 496765^2 + 312453^2 .

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

It is a super-2 number, since 2×344402342434² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344402342393 and 344402342402.

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, 439489 + ... + 939124.

Almost surely, 2^344402342434 is an apocalyptic number.

344402342434 is a deficient number, since it is larger than the sum of its proper divisors (172205681786).

344402342434 is a wasteful number, since it uses less digits than its factorization.

344402342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503524.

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 344402342434 its reverse (434243204443), we get a palindrome (778645546877).

The spelling of 344402342434 in words is "three hundred forty-four billion, four hundred two million, three hundred forty-two thousand, four hundred thirty-four".