404220000420 has 72 divisors (see below), whose sum is σ = 1227555254016. Its totient is φ = 107667054912.

The previous prime is 404220000419. The next prime is 404220000497. The reversal of 404220000420 is 24000022404.

404220000420 is a `hidden beast` number, since 4 + 0 + 42 + 200 + 0 + 0 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 404220000393 and 404220000402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1145742 + ... + 1456421.

It is an arithmetic number, because the mean of its divisors is an integer number (17049378528).

Almost surely, 2^404220000420 is an apocalyptic number.

It is an amenable number.

404220000420 is an abundant number, since it is smaller than the sum of its proper divisors (823335253596).

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

404220000420 is a wasteful number, since it uses less digits than its factorization.

404220000420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603041 (or 2603036 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 404220000420 its reverse (24000022404), we get a palindrome (428220022824).

The spelling of 404220000420 in words is "four hundred four billion, two hundred twenty million, four hundred twenty", and thus it is an aban number.