404220022240 has 48 divisors (see below), whose sum is σ = 955008705168. Its totient is φ = 161681422336.

The previous prime is 404220022237. The next prime is 404220022249. The reversal of 404220022240 is 42220022404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404220022249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6438039 + ... + 6500521.

It is an arithmetic number, because the mean of its divisors is an integer number (19896014691).

Almost surely, 2^404220022240 is an apocalyptic number.

404220022240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404220022240 is an abundant number, since it is smaller than the sum of its proper divisors (550788682928).

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

404220022240 is a wasteful number, since it uses less digits than its factorization.

404220022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102931 (or 102923 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 404220022240 its reverse (42220022404), we get a palindrome (446440044644).

The spelling of 404220022240 in words is "four hundred four billion, two hundred twenty million, twenty-two thousand, two hundred forty".