404121412100 has 72 divisors (see below), whose sum is σ = 1012144260288. Its totient is φ = 137184048000.

The previous prime is 404121412091. The next prime is 404121412109. The reversal of 404121412100 is 1214121404.

It is an interprime number because it is at equal distance from previous prime (404121412091) and next prime (404121412109).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (404121412109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2787302 + ... + 2928701.

Almost surely, 2^404121412100 is an apocalyptic number.

It is an amenable number.

404121412100 is an abundant number, since it is smaller than the sum of its proper divisors (608022848188).

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

404121412100 is a wasteful number, since it uses less digits than its factorization.

404121412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716125 (or 5716118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 404121412100 its reverse (1214121404), we get a palindrome (405335533504).

The spelling of 404121412100 in words is "four hundred four billion, one hundred twenty-one million, four hundred twelve thousand, one hundred".