404242314452 has 12 divisors (see below), whose sum is σ = 711089461236. Its totient is φ = 201073896960.

The previous prime is 404242314439. The next prime is 404242314457. The reversal of 404242314452 is 254413242404.

It can be written as a sum of positive squares in 2 ways, for example, as 258466492816 + 145775821636 = 508396^2 + 381806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404242314457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261814199 + ... + 261815742.

It is an arithmetic number, because the mean of its divisors is an integer number (59257455103).

Almost surely, 2^404242314452 is an apocalyptic number.

It is an amenable number.

404242314452 is a deficient number, since it is larger than the sum of its proper divisors (306847146784).

404242314452 is a wasteful number, since it uses less digits than its factorization.

404242314452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523630138 (or 523630136 counting only the distinct ones).

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

Adding to 404242314452 its reverse (254413242404), we get a palindrome (658655556856).

The spelling of 404242314452 in words is "four hundred four billion, two hundred forty-two million, three hundred fourteen thousand, four hundred fifty-two".