505241404461 has 24 divisors (see below), whose sum is σ = 730844312640. Its totient is φ = 336342715200.

The previous prime is 505241404453. The next prime is 505241404519. The reversal of 505241404461 is 164404142505.

505241404461 is a `hidden beast` number, since 5 + 0 + 5 + 241 + 404 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 505241404461 - 2³ = 505241404453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505241454461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27872481 + ... + 27890601.

It is an arithmetic number, because the mean of its divisors is an integer number (30451846360).

Almost surely, 2^505241404461 is an apocalyptic number.

It is an amenable number.

505241404461 is a deficient number, since it is larger than the sum of its proper divisors (225602908179).

505241404461 is a wasteful number, since it uses less digits than its factorization.

505241404461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22417 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 505241404461 its reverse (164404142505), we get a palindrome (669645546966).

The spelling of 505241404461 in words is "five hundred five billion, two hundred forty-one million, four hundred four thousand, four hundred sixty-one".