406728050 has 48 divisors (see below), whose sum is σ = 784477320. Its totient is φ = 156764160.

The previous prime is 406728037. The next prime is 406728061. The reversal of 406728050 is 50827604.

406728050 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 12 ways, for example, as 197318209 + 209409841 = 14047^2 + 14471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406727998 and 406728016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200642 + ... + 202658.

Almost surely, 2^406728050 is an apocalyptic number.

406728050 is a deficient number, since it is larger than the sum of its proper divisors (377749270).

406728050 is a wasteful number, since it uses less digits than its factorization.

406728050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 406728050 is about 20167.4998450477. The cubic root of 406728050 is about 740.9144101482.

The spelling of 406728050 in words is "four hundred six million, seven hundred twenty-eight thousand, fifty".