404222440020 has 48 divisors (see below), whose sum is σ = 1293511809408. Its totient is φ = 92393700480.

The previous prime is 404222440003. The next prime is 404222440079. The reversal of 404222440020 is 20044222404.

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 15 ways as a sum of consecutive naturals, for example, 481216771 + ... + 481217610.

It is an arithmetic number, because the mean of its divisors is an integer number (26948162696).

Almost surely, 2^404222440020 is an apocalyptic number.

It is an amenable number.

404222440020 is an abundant number, since it is smaller than the sum of its proper divisors (889289369388).

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

404222440020 is a wasteful number, since it uses less digits than its factorization.

404222440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962434400 (or 962434398 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404222440020 its reverse (20044222404), we get a palindrome (424266662424).

The spelling of 404222440020 in words is "four hundred four billion, two hundred twenty-two million, four hundred forty thousand, twenty".