505688403100 has 36 divisors (see below), whose sum is σ = 1104708591000. Its totient is φ = 200917802560.

The previous prime is 505688403091. The next prime is 505688403113. The reversal of 505688403100 is 1304886505.

It is a super-2 number, since 2×505688403100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16954510 + ... + 16984309.

It is an arithmetic number, because the mean of its divisors is an integer number (30686349750).

Almost surely, 2^505688403100 is an apocalyptic number.

505688403100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505688403100 is an abundant number, since it is smaller than the sum of its proper divisors (599020187900).

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

505688403100 is a wasteful number, since it uses less digits than its factorization.

505688403100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33938982 (or 33938975 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 505688403100 in words is "five hundred five billion, six hundred eighty-eight million, four hundred three thousand, one hundred".