404242140222040 has 16 divisors (see below), whose sum is σ = 909544815499680. Its totient is φ = 161696856088800.

The previous prime is 404242140221939. The next prime is 404242140222047. The reversal of 404242140222040 is 40222041242404.

It is a junction number, because it is equal to n+sod(n) for n = 404242140221993 and 404242140222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404242140222047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5053026752736 + ... + 5053026752815.

It is an arithmetic number, because the mean of its divisors is an integer number (56846550968730).

Almost surely, 2^{404242140222040} is an apocalyptic number.

404242140222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404242140222040 is an abundant number, since it is smaller than the sum of its proper divisors (505302675277640).

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

404242140222040 is a wasteful number, since it uses less digits than its factorization.

404242140222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106053505562 (or 10106053505558 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 404242140222040 its reverse (40222041242404), we get a palindrome (444464181464444).

The spelling of 404242140222040 in words is "four hundred four trillion, two hundred forty-two billion, one hundred forty million, two hundred twenty-two thousand, forty".