506406026555 has 32 divisors (see below), whose sum is σ = 720994938048. Its totient is φ = 336598848000.

The previous prime is 506406026527. The next prime is 506406026593. The reversal of 506406026555 is 555620604605.

It is a de Polignac number, because none of the positive numbers 2^k-506406026555 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3434024 + ... + 3578453.

It is an arithmetic number, because the mean of its divisors is an integer number (22531091814).

Almost surely, 2^506406026555 is an apocalyptic number.

506406026555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

506406026555 is a deficient number, since it is larger than the sum of its proper divisors (214588911493).

506406026555 is a wasteful number, since it uses less digits than its factorization.

506406026555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012607.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 506406026555 in words is "five hundred six billion, four hundred six million, twenty-six thousand, five hundred fifty-five".