355143334340 has 24 divisors (see below), whose sum is σ = 745933030080. Its totient is φ = 142032185568.

The previous prime is 355143334331. The next prime is 355143334393. The reversal of 355143334340 is 43433341553.

It is a super-2 number, since 2×355143334340² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355143334294 and 355143334303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455752 + ... + 1682111.

It is an arithmetic number, because the mean of its divisors is an integer number (31080542920).

Almost surely, 2^355143334340 is an apocalyptic number.

It is an amenable number.

355143334340 is an abundant number, since it is smaller than the sum of its proper divisors (390789695740).

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

355143334340 is a wasteful number, since it uses less digits than its factorization.

355143334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143531 (or 3143529 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 355143334340 its reverse (43433341553), we get a palindrome (398576675893).

The spelling of 355143334340 in words is "three hundred fifty-five billion, one hundred forty-three million, three hundred thirty-four thousand, three hundred forty".