343506256626 has 64 divisors (see below), whose sum is σ = 755874620928. Its totient is φ = 103408005888.

The previous prime is 343506256591. The next prime is 343506256627. The reversal of 343506256626 is 626652605343.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (343506256627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11118216 + ... + 11149068.

It is an arithmetic number, because the mean of its divisors is an integer number (11810540952).

Almost surely, 2^343506256626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343506256626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377937310464).

343506256626 is an abundant number, since it is smaller than the sum of its proper divisors (412368364302).

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

343506256626 is a wasteful number, since it uses less digits than its factorization.

343506256626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33955.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 343506256626 in words is "three hundred forty-three billion, five hundred six million, two hundred fifty-six thousand, six hundred twenty-six".