404212559969898 has 96 divisors (see below), whose sum is σ = 967637825481600. Its totient is φ = 121297126883328.

The previous prime is 404212559969893. The next prime is 404212559969929. The reversal of 404212559969898 is 898969955212404.

404212559969898 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 12 + 5 + 599 + 6 + 9 + 8 + 9 + 8 = 666.

It is a super-2 number, since 2×404212559969898² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404212559969893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1113293433 + ... + 1113656451.

It is an arithmetic number, because the mean of its divisors is an integer number (10079560682100).

Almost surely, 2^{404212559969898} is an apocalyptic number.

404212559969898 is an abundant number, since it is smaller than the sum of its proper divisors (563425265511702).

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

404212559969898 is a wasteful number, since it uses less digits than its factorization.

404212559969898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521276 (or 521273 counting only the distinct ones).

The product of its (nonzero) digits is 4031078400, while the sum is 81.

The spelling of 404212559969898 in words is "four hundred four trillion, two hundred twelve billion, five hundred fifty-nine million, nine hundred sixty-nine thousand, eight hundred ninety-eight".