505405413266 has 32 divisors (see below), whose sum is σ = 835548466368. Its totient is φ = 227801730240.

The previous prime is 505405413251. The next prime is 505405413277. The reversal of 505405413266 is 662314504505.

It is a happy number.

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, 7413065 + ... + 7480931.

It is an arithmetic number, because the mean of its divisors is an integer number (26110889574).

Almost surely, 2^505405413266 is an apocalyptic number.

505405413266 is a deficient number, since it is larger than the sum of its proper divisors (330143053102).

505405413266 is a wasteful number, since it uses less digits than its factorization.

505405413266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74586.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 505405413266 in words is "five hundred five billion, four hundred five million, four hundred thirteen thousand, two hundred sixty-six".