404300100420 has 144 divisors (see below), whose sum is σ = 1249077053952. Its totient is φ = 105831774720.

The previous prime is 404300100383. The next prime is 404300100443. The reversal of 404300100420 is 24001003404.

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 = 404300100393 and 404300100402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2699629 + ... + 2845451.

It is an arithmetic number, because the mean of its divisors is an integer number (8674146208).

Almost surely, 2^404300100420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404300100420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624538526976).

404300100420 is an abundant number, since it is smaller than the sum of its proper divisors (844776953532).

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

404300100420 is a wasteful number, since it uses less digits than its factorization.

404300100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146122 (or 146117 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 404300100420 its reverse (24001003404), we get a palindrome (428301103824).

The spelling of 404300100420 in words is "four hundred four billion, three hundred million, one hundred thousand, four hundred twenty".