405300303424 has 21 divisors (see below), whose sum is σ = 804277896267. Its totient is φ = 202647605184.

The previous prime is 405300303407. The next prime is 405300303467. The reversal of 405300303424 is 424303003504.

The square root of 405300303424 is 636632.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×405300303424² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405300303392 and 405300303401.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5053267 + ... + 5132845.

Almost surely, 2^405300303424 is an apocalyptic number.

405300303424 is the 636632-nd square number.

It is an amenable number.

405300303424 is a deficient number, since it is larger than the sum of its proper divisors (398977592843).

405300303424 is an frugal number, since it uses more digits than its factorization.

405300303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159170 (or 79581 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 405300303424 its reverse (424303003504), we get a palindrome (829603306928).

The spelling of 405300303424 in words is "four hundred five billion, three hundred million, three hundred three thousand, four hundred twenty-four".