404034144440 has 16 divisors (see below), whose sum is σ = 909076825080. Its totient is φ = 161613657760.

The previous prime is 404034144439. The next prime is 404034144457. The reversal of 404034144440 is 44441430404.

It is a junction number, because it is equal to n+sod(n) for n = 404034144397 and 404034144406.

It is a congruent number.

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, 5050426766 + ... + 5050426845.

Almost surely, 2^404034144440 is an apocalyptic number.

404034144440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404034144440 is an abundant number, since it is smaller than the sum of its proper divisors (505042680640).

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

404034144440 is a wasteful number, since it uses less digits than its factorization.

404034144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100853622 (or 10100853618 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 404034144440 its reverse (44441430404), we get a palindrome (448475574844).

The spelling of 404034144440 in words is "four hundred four billion, thirty-four million, one hundred forty-four thousand, four hundred forty".