400443411204 has 48 divisors (see below), whose sum is σ = 1038225767040. Its totient is φ = 133476104160.

The previous prime is 400443411163. The next prime is 400443411241. The reversal of 400443411204 is 402114344004.

400443411204 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 43 + 411 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 15 ways as a sum of consecutive naturals, for example, 3789769 + ... + 3893999.

It is an arithmetic number, because the mean of its divisors is an integer number (21629703480).

Almost surely, 2^400443411204 is an apocalyptic number.

It is an amenable number.

400443411204 is an abundant number, since it is smaller than the sum of its proper divisors (637782355836).

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

400443411204 is a wasteful number, since it uses less digits than its factorization.

400443411204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139817 (or 139809 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 400443411204 its reverse (402114344004), we get a palindrome (802557755208).

The spelling of 400443411204 in words is "four hundred billion, four hundred forty-three million, four hundred eleven thousand, two hundred four".