343440302140 has 96 divisors (see below), whose sum is σ = 784803317760. Its totient is φ = 125489212416.

The previous prime is 343440302089. The next prime is 343440302209. The reversal of 343440302140 is 41203044343.

It is a super-2 number, since 2×343440302140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343440302099 and 343440302108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24166917 + ... + 24181123.

It is an arithmetic number, because the mean of its divisors is an integer number (8175034560).

Almost surely, 2^343440302140 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 343440302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392401658880).

343440302140 is an abundant number, since it is smaller than the sum of its proper divisors (441363015620).

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

343440302140 is a wasteful number, since it uses less digits than its factorization.

343440302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15191 (or 15189 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 343440302140 its reverse (41203044343), we get a palindrome (384643346483).

The spelling of 343440302140 in words is "three hundred forty-three billion, four hundred forty million, three hundred two thousand, one hundred forty".