343635666426 has 96 divisors (see below), whose sum is σ = 819242581248. Its totient is φ = 103438131840.

The previous prime is 343635666403. The next prime is 343635666443. The reversal of 343635666426 is 624666536343.

It is a super-2 number, since 2×343635666426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30755821 + ... + 30766991.

It is an arithmetic number, because the mean of its divisors is an integer number (8533776888).

Almost surely, 2^343635666426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343635666426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409621290624).

343635666426 is an abundant number, since it is smaller than the sum of its proper divisors (475606914822).

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

343635666426 is a wasteful number, since it uses less digits than its factorization.

343635666426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14036 (or 14033 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 54.

The spelling of 343635666426 in words is "three hundred forty-three billion, six hundred thirty-five million, six hundred sixty-six thousand, four hundred twenty-six".