404341023440 has 20 divisors (see below), whose sum is σ = 940092879684. Its totient is φ = 161736409344.

The previous prime is 404341023413. The next prime is 404341023467. The reversal of 404341023440 is 44320143404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404341023413) and next prime (404341023467).

It can be written as a sum of positive squares in 2 ways, for example, as 177928737856 + 226412285584 = 421816^2 + 475828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527131317 + ... + 2527131476.

Almost surely, 2^404341023440 is an apocalyptic number.

404341023440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404341023440 is an abundant number, since it is smaller than the sum of its proper divisors (535751856244).

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

404341023440 is a wasteful number, since it uses less digits than its factorization.

404341023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054262806 (or 5054262800 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404341023440 its reverse (44320143404), we get a palindrome (448661166844).

The spelling of 404341023440 in words is "four hundred four billion, three hundred forty-one million, twenty-three thousand, four hundred forty".