404740450 has 12 divisors (see below), whose sum is σ = 752817330. Its totient is φ = 161896160.

The previous prime is 404740409. The next prime is 404740507. The reversal of 404740450 is 54047404.

It can be written as a sum of positive squares in 3 ways, for example, as 395492769 + 9247681 = 19887^2 + 3041^2 .

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, 4047355 + ... + 4047454.

Almost surely, 2^404740450 is an apocalyptic number.

404740450 is a deficient number, since it is larger than the sum of its proper divisors (348076880).

404740450 is a wasteful number, since it uses less digits than its factorization.

404740450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094821 (or 8094816 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 404740450 is about 20118.1621924071. The cubic root of 404740450 is about 739.7055378219.

Adding to 404740450 its reverse (54047404), we get a palindrome (458787854).

The spelling of 404740450 in words is "four hundred four million, seven hundred forty thousand, four hundred fifty".