404005203243243 has 24 divisors (see below), whose sum is σ = 666936957744096. Its totient is φ = 230857439212800.

The previous prime is 404005203243163. The next prime is 404005203243353. The reversal of 404005203243243 is 342342302500404.

404005203243243 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 0 + 5 + 2 + 0 + 324 + 324 + 3 = 666.

It is not a de Polignac number, because 404005203243243 - 2²² = 404005199048939 is a prime.

It is a super-2 number, since 2×404005203243243² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404005203243198 and 404005203243207.

It is not an unprimeable number, because it can be changed into a prime (404005203243643) 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, 31696878 + ... + 42575843.

It is an arithmetic number, because the mean of its divisors is an integer number (27789039906004).

Almost surely, 2^{404005203243243} is an apocalyptic number.

404005203243243 is a deficient number, since it is larger than the sum of its proper divisors (262931754500853).

404005203243243 is a wasteful number, since it uses less digits than its factorization.

404005203243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74359075 (or 74359072 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 404005203243243 its reverse (342342302500404), we get a palindrome (746347505743647).

The spelling of 404005203243243 in words is "four hundred four trillion, five billion, two hundred three million, two hundred forty-three thousand, two hundred forty-three".