404241351287 has 2 divisors, whose sum is σ = 404241351288. Its totient is φ = 404241351286.

The previous prime is 404241351281. The next prime is 404241351331. The reversal of 404241351287 is 782153142404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404241351287 - 2¹⁶ = 404241285751 is a prime.

It is a super-2 number, since 2×404241351287² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404241351281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202120675643 + 202120675644.

It is an arithmetic number, because the mean of its divisors is an integer number (202120675644).

Almost surely, 2^404241351287 is an apocalyptic number.

404241351287 is a deficient number, since it is larger than the sum of its proper divisors (1).

404241351287 is an equidigital number, since it uses as much as digits as its factorization.

404241351287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 404241351287 in words is "four hundred four billion, two hundred forty-one million, three hundred fifty-one thousand, two hundred eighty-seven".