400304104 has 8 divisors (see below), whose sum is σ = 750570210. Its totient is φ = 200152048.

The previous prime is 400304077. The next prime is 400304129. The reversal of 400304104 is 401403004.

It can be written as a sum of positive squares in only one way, i.e., 256064004 + 144240100 = 16002^2 + 12010^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25018999 + ... + 25019014.

Almost surely, 2^400304104 is an apocalyptic number.

It is an amenable number.

400304104 is a deficient number, since it is larger than the sum of its proper divisors (350266106).

400304104 is a wasteful number, since it uses less digits than its factorization.

400304104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50038019 (or 50038015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 400304104 is about 20007.6011555609. The cubic root of 400304104 is about 736.9929738816.

Adding to 400304104 its reverse (401403004), we get a palindrome (801707108).

The spelling of 400304104 in words is "four hundred million, three hundred four thousand, one hundred four".