505401200 has 30 divisors (see below), whose sum is σ = 1214227344. Its totient is φ = 202160320.

The previous prime is 505401161. The next prime is 505401227. The reversal of 505401200 is 2104505.

It is a super-2 number, since 2×505401200² = 510860745922880000, which 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 5 ways as a sum of consecutive naturals, for example, 631352 + ... + 632151.

Almost surely, 2^505401200 is an apocalyptic number.

505401200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505401200 is an abundant number, since it is smaller than the sum of its proper divisors (708826144).

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

505401200 is a wasteful number, since it uses less digits than its factorization.

505401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263521 (or 1263510 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 505401200 is about 22481.1298648444. The cubic root of 505401200 is about 796.5482532251.

Adding to 505401200 its reverse (2104505), we get a palindrome (507505705).

The spelling of 505401200 in words is "five hundred five million, four hundred one thousand, two hundred".