404524220326139 has 2 divisors, whose sum is σ = 404524220326140. Its totient is φ = 404524220326138.

The previous prime is 404524220326073. The next prime is 404524220326157. The reversal of 404524220326139 is 931623022425404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404524220326139 - 2¹² = 404524220322043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404524220326093 and 404524220326102.

It is not a weakly prime, because it can be changed into another prime (404524220329139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202262110163069 + 202262110163070.

It is an arithmetic number, because the mean of its divisors is an integer number (202262110163070).

Almost surely, 2^{404524220326139} is an apocalyptic number.

404524220326139 is a deficient number, since it is larger than the sum of its proper divisors (1).

404524220326139 is an equidigital number, since it uses as much as digits as its factorization.

404524220326139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 404524220326139 in words is "four hundred four trillion, five hundred twenty-four billion, two hundred twenty million, three hundred twenty-six thousand, one hundred thirty-nine".