400002423204 has 48 divisors (see below), whose sum is σ = 982611150080. Its totient is φ = 126297390240.

The previous prime is 400002423187. The next prime is 400002423217. The reversal of 400002423204 is 402324200004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412259 + ... + 1671669.

Almost surely, 2^400002423204 is an apocalyptic number.

It is an amenable number.

400002423204 is an abundant number, since it is smaller than the sum of its proper divisors (582608726876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400002423204 is a wasteful number, since it uses less digits than its factorization.

400002423204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266200 (or 266198 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 400002423204 its reverse (402324200004), we get a palindrome (802326623208).

The spelling of 400002423204 in words is "four hundred billion, two million, four hundred twenty-three thousand, two hundred four".