505040505 has 48 divisors (see below), whose sum is σ = 866830464. Its totient is φ = 251023360.

The previous prime is 505040483. The next prime is 505040563.

505040505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505040505 - 2¹³ = 505032313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489340 + ... + 490370.

It is an arithmetic number, because the mean of its divisors is an integer number (18058968).

Almost surely, 2^505040505 is an apocalyptic number.

It is an amenable number.

505040505 is a deficient number, since it is larger than the sum of its proper divisors (361789959).

505040505 is a wasteful number, since it uses less digits than its factorization.

505040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 505040505 is about 22473.1062605951. The cubic root of 505040505 is about 796.3587144661.

The spelling of 505040505 in words is "five hundred five million, forty thousand, five hundred five".