505055050490 has 16 divisors (see below), whose sum is σ = 910239756552. Its totient is φ = 201768538944.

The previous prime is 505055050471. The next prime is 505055050519. The reversal of 505055050490 is 94050550505.

It can be written as a sum of positive squares in 4 ways, for example, as 224296012801 + 280759037689 = 473599^2 + 529867^2 .

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 31676789 + ... + 31692728.

Almost surely, 2^505055050490 is an apocalyptic number.

505055050490 is a deficient number, since it is larger than the sum of its proper divisors (405184706062).

505055050490 is a wasteful number, since it uses less digits than its factorization.

505055050490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63370321.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 505055050490 in words is "five hundred five billion, fifty-five million, fifty thousand, four hundred ninety".