404124122000 has 160 divisors (see below), whose sum is σ = 1052553775104. Its totient is φ = 149633088000.

The previous prime is 404124121993. The next prime is 404124122011. The reversal of 404124122000 is 221421404.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284302 + ... + 1567698.

Almost surely, 2^404124122000 is an apocalyptic number.

404124122000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404124122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526276887552).

404124122000 is an abundant number, since it is smaller than the sum of its proper divisors (648429653104).

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

404124122000 is a wasteful number, since it uses less digits than its factorization.

404124122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283474 (or 283458 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 404124122000 its reverse (221421404), we get a palindrome (404345543404).

The spelling of 404124122000 in words is "four hundred four billion, one hundred twenty-four million, one hundred twenty-two thousand".