255304343346 has 64 divisors (see below), whose sum is σ = 560905430400. Its totient is φ = 76984427520.

The previous prime is 255304343339. The next prime is 255304343377. The reversal of 255304343346 is 643343403552.

It is a junction number, because it is equal to n+sod(n) for n = 255304343298 and 255304343307.

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, 3607005 + ... + 3677103.

It is an arithmetic number, because the mean of its divisors is an integer number (8764147350).

Almost surely, 2^255304343346 is an apocalyptic number.

255304343346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 255304343346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280452715200).

255304343346 is an abundant number, since it is smaller than the sum of its proper divisors (305601087054).

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

255304343346 is a wasteful number, since it uses less digits than its factorization.

255304343346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71051.

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 255304343346 its reverse (643343403552), we get a palindrome (898647746898).

The spelling of 255304343346 in words is "two hundred fifty-five billion, three hundred four million, three hundred forty-three thousand, three hundred forty-six".