404242314451 has 4 divisors (see below), whose sum is σ = 413643298552. Its totient is φ = 394841330352.

The previous prime is 404242314439. The next prime is 404242314457. The reversal of 404242314451 is 154413242404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404242314451 - 2⁵ = 404242314419 is a prime.

It is a Duffinian 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, 4700491986 + ... + 4700492071.

It is an arithmetic number, because the mean of its divisors is an integer number (103410824638).

Almost surely, 2^404242314451 is an apocalyptic number.

404242314451 is a deficient number, since it is larger than the sum of its proper divisors (9400984101).

404242314451 is an equidigital number, since it uses as much as digits as its factorization.

404242314451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400984100.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 404242314451 its reverse (154413242404), we get a palindrome (558655556855).

The spelling of 404242314451 in words is "four hundred four billion, two hundred forty-two million, three hundred fourteen thousand, four hundred fifty-one".