404532842407 has 2 divisors, whose sum is σ = 404532842408. Its totient is φ = 404532842406.

The previous prime is 404532842387. The next prime is 404532842431. The reversal of 404532842407 is 704248235404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404532842407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404532842507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202266421203 + 202266421204.

It is an arithmetic number, because the mean of its divisors is an integer number (202266421204).

Almost surely, 2^404532842407 is an apocalyptic number.

404532842407 is a deficient number, since it is larger than the sum of its proper divisors (1).

404532842407 is an equidigital number, since it uses as much as digits as its factorization.

404532842407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 404532842407 in words is "four hundred four billion, five hundred thirty-two million, eight hundred forty-two thousand, four hundred seven".