255021651346 has 32 divisors (see below), whose sum is σ = 479024658432. Its totient is φ = 98921366160.

The previous prime is 255021651329. The next prime is 255021651383. The reversal of 255021651346 is 643156120552.

255021651346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255021651346² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255021651299 and 255021651308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3612586 + ... + 3682501.

It is an arithmetic number, because the mean of its divisors is an integer number (14969520576).

Almost surely, 2^255021651346 is an apocalyptic number.

255021651346 is a deficient number, since it is larger than the sum of its proper divisors (224003007086).

255021651346 is a wasteful number, since it uses less digits than its factorization.

255021651346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295334.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 255021651346 its reverse (643156120552), we get a palindrome (898177771898).

The spelling of 255021651346 in words is "two hundred fifty-five billion, twenty-one million, six hundred fifty-one thousand, three hundred forty-six".