505401302131040 has 48 divisors (see below), whose sum is σ = 1364583515756832. Its totient is φ = 173280446444544.

The previous prime is 505401302131013. The next prime is 505401302131051. The reversal of 505401302131040 is 40131203104505.

It is a junction number, because it is equal to n+sod(n) for n = 505401302130994 and 505401302131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225625580189 + ... + 225625582428.

It is an arithmetic number, because the mean of its divisors is an integer number (28428823244934).

Almost surely, 2^{505401302131040} is an apocalyptic number.

It is an amenable number.

505401302131040 is an abundant number, since it is smaller than the sum of its proper divisors (859182213625792).

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

505401302131040 is a wasteful number, since it uses less digits than its factorization.

505401302131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451251162639 (or 451251162631 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 505401302131040 its reverse (40131203104505), we get a palindrome (545532505235545).

The spelling of 505401302131040 in words is "five hundred five trillion, four hundred one billion, three hundred two million, one hundred thirty-one thousand, forty".