404021200019 has 2 divisors, whose sum is σ = 404021200020. Its totient is φ = 404021200018.

The previous prime is 404021200003. The next prime is 404021200043. The reversal of 404021200019 is 910002120404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404021200019 - 2⁴ = 404021200003 is a prime.

It is a super-2 number, since 2×404021200019² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404021199967 and 404021200003.

It is not a weakly prime, because it can be changed into another prime (404021200049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202010600009 + 202010600010.

It is an arithmetic number, because the mean of its divisors is an integer number (202010600010).

Almost surely, 2^404021200019 is an apocalyptic number.

404021200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

404021200019 is an equidigital number, since it uses as much as digits as its factorization.

404021200019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

It can be divided in two parts, 40402 and 1200019, that added together give a palindrome (1240421).

The spelling of 404021200019 in words is "four hundred four billion, twenty-one million, two hundred thousand, nineteen".