404466251242 has 8 divisors (see below), whose sum is σ = 642387575556. Its totient is φ = 190337059392.

The previous prime is 404466251221. The next prime is 404466251257. The reversal of 404466251242 is 242152664404.

It can be written as a sum of positive squares in 2 ways, for example, as 402373280241 + 2092971001 = 634329^2 + 45749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404466251195 and 404466251204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948033073 + ... + 5948033140.

Almost surely, 2^404466251242 is an apocalyptic number.

404466251242 is a deficient number, since it is larger than the sum of its proper divisors (237921324314).

404466251242 is a wasteful number, since it uses less digits than its factorization.

404466251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896066232.

The product of its (nonzero) digits is 368640, while the sum is 40.

It can be divided in two parts, 4044662 and 51242, that added together give a palindrome (4095904).

The spelling of 404466251242 in words is "four hundred four billion, four hundred sixty-six million, two hundred fifty-one thousand, two hundred forty-two".