804450428 has 12 divisors (see below), whose sum is σ = 1408668072. Its totient is φ = 401973840.

The previous prime is 804450419. The next prime is 804450469. The reversal of 804450428 is 824054408.

It is a super-2 number, since 2×804450428² = 1294280982218766368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55550 + ... + 68517.

It is an arithmetic number, because the mean of its divisors is an integer number (117389006).

Almost surely, 2^804450428 is an apocalyptic number.

It is an amenable number.

804450428 is a deficient number, since it is larger than the sum of its proper divisors (604217644).

804450428 is a wasteful number, since it uses less digits than its factorization.

804450428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125692 (or 125690 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 804450428 is about 28362.8353307634. The cubic root of 804450428 is about 930.0360058515.

The spelling of 804450428 in words is "eight hundred four million, four hundred fifty thousand, four hundred twenty-eight".