505406235000 has 160 divisors (see below), whose sum is σ = 1579822295040. Its totient is φ = 134695344000.

The previous prime is 505406234939. The next prime is 505406235011. The reversal of 505406235000 is 532604505.

505406235000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27995977 + ... + 28014023.

It is an arithmetic number, because the mean of its divisors is an integer number (9873889344).

Almost surely, 2^505406235000 is an apocalyptic number.

505406235000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505406235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789911147520).

505406235000 is an abundant number, since it is smaller than the sum of its proper divisors (1074416060040).

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

505406235000 is a wasteful number, since it uses less digits than its factorization.

505406235000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943 (or 19924 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 505406235000 its reverse (532604505), we get a palindrome (505938839505).

The spelling of 505406235000 in words is "five hundred five billion, four hundred six million, two hundred thirty-five thousand".