404002115412 has 192 divisors, whose sum is σ = 1156145356800. Its totient is φ = 107352161280.

The previous prime is 404002115411. The next prime is 404002115471. The reversal of 404002115412 is 214511200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404002115411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7864603 + ... + 7915805.

It is an arithmetic number, because the mean of its divisors is an integer number (6021590400).

Almost surely, 2^404002115412 is an apocalyptic number.

404002115412 is a gapful number since it is divisible by the number (42) 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 404002115412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578072678400).

404002115412 is an abundant number, since it is smaller than the sum of its proper divisors (752143241388).

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

404002115412 is a wasteful number, since it uses less digits than its factorization.

404002115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51366 (or 51364 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 404002115412 its reverse (214511200404), we get a palindrome (618513315816).

The spelling of 404002115412 in words is "four hundred four billion, two million, one hundred fifteen thousand, four hundred twelve".