505045344142405 has 32 divisors (see below), whose sum is σ = 668077211639808. Its totient is φ = 363461552448000.

The previous prime is 505045344142403. The next prime is 505045344142441. The reversal of 505045344142405 is 504241443540505.

It is not a de Polignac number, because 505045344142405 - 2¹ = 505045344142403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045344142403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16193989 + ... + 35669818.

It is an arithmetic number, because the mean of its divisors is an integer number (20877412863744).

Almost surely, 2^{505045344142405} is an apocalyptic number.

505045344142405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505045344142405 is a deficient number, since it is larger than the sum of its proper divisors (163031867497403).

505045344142405 is a wasteful number, since it uses less digits than its factorization.

505045344142405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51865677.

The product of its (nonzero) digits is 3840000, while the sum is 46.

The spelling of 505045344142405 in words is "five hundred five trillion, forty-five billion, three hundred forty-four million, one hundred forty-two thousand, four hundred five".