505505050434 has 48 divisors (see below), whose sum is σ = 1187973160920. Its totient is φ = 154721771520.

The previous prime is 505505050423. The next prime is 505505050441. The reversal of 505505050434 is 434050505505.

505505050434 is a `hidden beast` number, since 5 + 0 + 550 + 50 + 50 + 4 + 3 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 218600197209 + 286904853225 = 467547^2 + 535635^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20133519 + ... + 20158610.

Almost surely, 2^505505050434 is an apocalyptic number.

505505050434 is an abundant number, since it is smaller than the sum of its proper divisors (682468110486).

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

505505050434 is a wasteful number, since it uses less digits than its factorization.

505505050434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40292195 (or 40292192 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

Adding to 505505050434 its reverse (434050505505), we get a palindrome (939555555939).

The spelling of 505505050434 in words is "five hundred five billion, five hundred five million, fifty thousand, four hundred thirty-four".