400424440204 has 6 divisors (see below), whose sum is σ = 700742770364.
Its totient is φ = 200212220100.
The previous prime is 400424440183. The next prime is 400424440211. The reversal of 400424440204 is 402044424004.
Adding to 400424440204 its reverse (402044424004), we get a palindrome (802468864208).
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, 50053055022 + ... + 50053055029.
Almost surely, 2400424440204 is an apocalyptic number.
It is an amenable number.
400424440204 is a deficient number, since it is larger than the sum of its proper divisors (300318330160).
400424440204 is a wasteful number, since it uses less digits than its factorization.
400424440204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100106110055 (or 100106110053 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 28.
The spelling of 400424440204 in words is "four hundred billion, four hundred twenty-four million, four hundred forty thousand, two hundred four".