804242408 has 8 divisors (see below), whose sum is σ = 1507954530. Its totient is φ = 402121200.

The previous prime is 804242407. The next prime is 804242419.

804242408 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 558944164 + 245298244 = 23642^2 + 15662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (804242401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50265143 + ... + 50265158.

Almost surely, 2^804242408 is an apocalyptic number.

It is an amenable number.

804242408 is a deficient number, since it is larger than the sum of its proper divisors (703712122).

804242408 is a wasteful number, since it uses less digits than its factorization.

804242408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100530307 (or 100530303 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 804242408 is about 28359.1679708697. The cubic root of 804242408 is about 929.9558340301.

The spelling of 804242408 in words is "eight hundred four million, two hundred forty-two thousand, four hundred eight".