404019447269402 has 8 divisors (see below), whose sum is σ = 606029810512500. Its totient is φ = 202009510431904.

The previous prime is 404019447269377. The next prime is 404019447269413. The reversal of 404019447269402 is 204962744910404.

It can be written as a sum of positive squares in 2 ways, for example, as 398273028054841 + 5746419214561 = 19956779^2 + 2397169^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104222027 + ... + 108029022.

Almost surely, 2^{404019447269402} is an apocalyptic number.

404019447269402 is a deficient number, since it is larger than the sum of its proper divisors (202010363243098).

404019447269402 is a wasteful number, since it uses less digits than its factorization.

404019447269402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213202800.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 404019447269402 in words is "four hundred four trillion, nineteen billion, four hundred forty-seven million, two hundred sixty-nine thousand, four hundred two".