343402501420 has 192 divisors, whose sum is σ = 837251251200. Its totient is φ = 117078410240.

The previous prime is 343402501417. The next prime is 343402501459. The reversal of 343402501420 is 24105204343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116130582 + ... + 116133538.

It is an arithmetic number, because the mean of its divisors is an integer number (4360683600).

Almost surely, 2^343402501420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343402501420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418625625600).

343402501420 is an abundant number, since it is smaller than the sum of its proper divisors (493848749780).

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

343402501420 is a wasteful number, since it uses less digits than its factorization.

343402501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3446 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 343402501420 its reverse (24105204343), we get a palindrome (367507705763).

The spelling of 343402501420 in words is "three hundred forty-three billion, four hundred two million, five hundred one thousand, four hundred twenty".