505213012350 has 96 divisors (see below), whose sum is σ = 1393393004640. Its totient is φ = 134602456320.

The previous prime is 505213012319. The next prime is 505213012429. The reversal of 505213012350 is 53210312505.

It is a happy number.

505213012350 is a `hidden beast` number, since 5 + 0 + 5 + 2 + 1 + 301 + 2 + 350 = 666.

It is a super-2 number, since 2×505213012350² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1340434 + ... + 1675466.

It is an arithmetic number, because the mean of its divisors is an integer number (14514510465).

Almost surely, 2^505213012350 is an apocalyptic number.

505213012350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 505213012350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696696502320).

505213012350 is an abundant number, since it is smaller than the sum of its proper divisors (888179992290).

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

505213012350 is a wasteful number, since it uses less digits than its factorization.

505213012350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336171 (or 336160 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 505213012350 its reverse (53210312505), we get a palindrome (558423324855).

The spelling of 505213012350 in words is "five hundred five billion, two hundred thirteen million, twelve thousand, three hundred fifty".