404021425302404 has 72 divisors (see below), whose sum is σ = 883008664211520. Its totient is φ = 158366296962432.

The previous prime is 404021425302329. The next prime is 404021425302431. The reversal of 404021425302404 is 404203524120404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391138754 + ... + 392170329.

It is an arithmetic number, because the mean of its divisors is an integer number (12264009225160).

Almost surely, 2^{404021425302404} is an apocalyptic number.

It is an amenable number.

404021425302404 is an abundant number, since it is smaller than the sum of its proper divisors (478987238909116).

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

404021425302404 is a wasteful number, since it uses less digits than its factorization.

404021425302404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783309229 (or 783309214 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 404021425302404 its reverse (404203524120404), we get a palindrome (808224949422808).

The spelling of 404021425302404 in words is "four hundred four trillion, twenty-one billion, four hundred twenty-five million, three hundred two thousand, four hundred four".