505055555490 has 32 divisors (see below), whose sum is σ = 1253931036480. Its totient is φ = 130037292224.

The previous prime is 505055555447. The next prime is 505055555507. The reversal of 505055555490 is 94555550505.

It is a super-2 number, since 2×505055555490² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290260944 + ... + 290262683.

It is an arithmetic number, because the mean of its divisors is an integer number (39185344890).

Almost surely, 2^505055555490 is an apocalyptic number.

505055555490 is an abundant number, since it is smaller than the sum of its proper divisors (748875480990).

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

505055555490 is a wasteful number, since it uses less digits than its factorization.

505055555490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580523666.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 505055555490 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, four hundred ninety".