202404400404 has 12 divisors (see below), whose sum is σ = 472276934304. Its totient is φ = 67468133464.

The previous prime is 202404400369. The next prime is 202404400411. The reversal of 202404400404 is 404004404202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8433516672 + ... + 8433516695.

It is an arithmetic number, because the mean of its divisors is an integer number (39356411192).

Almost surely, 2^202404400404 is an apocalyptic number.

It is an amenable number.

202404400404 is an abundant number, since it is smaller than the sum of its proper divisors (269872533900).

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

202404400404 is a wasteful number, since it uses less digits than its factorization.

202404400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867033374 (or 16867033372 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 202404400404 its reverse (404004404202), we get a palindrome (606408804606).

The spelling of 202404400404 in words is "two hundred two billion, four hundred four million, four hundred thousand, four hundred four".