505246350 has 144 divisors (see below), whose sum is σ = 1486230768. Its totient is φ = 113218560.

The previous prime is 505246349. The next prime is 505246351. The reversal of 505246350 is 53642505.

It is an interprime number because it is at equal distance from previous prime (505246349) and next prime (505246351).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505246351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 388902 + ... + 390198.

It is an arithmetic number, because the mean of its divisors is an integer number (10321047).

Almost surely, 2^505246350 is an apocalyptic number.

505246350 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 505246350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743115384).

505246350 is an abundant number, since it is smaller than the sum of its proper divisors (980984418).

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

505246350 is a wasteful number, since it uses less digits than its factorization.

505246350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1367 counting only the distinct ones).

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

The square root of 505246350 is about 22477.6856015027. The cubic root of 505246350 is about 796.4668933757.

Adding to 505246350 its reverse (53642505), we get a palindrome (558888855).

The spelling of 505246350 in words is "five hundred five million, two hundred forty-six thousand, three hundred fifty".