402441023027 has 2 divisors, whose sum is σ = 402441023028. Its totient is φ = 402441023026.

The previous prime is 402441023021. The next prime is 402441023107. The reversal of 402441023027 is 720320144204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402441023027 is a prime.

It is not a weakly prime, because it can be changed into another prime (402441023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201220511513 + 201220511514.

It is an arithmetic number, because the mean of its divisors is an integer number (201220511514).

Almost surely, 2^402441023027 is an apocalyptic number.

402441023027 is a deficient number, since it is larger than the sum of its proper divisors (1).

402441023027 is an equidigital number, since it uses as much as digits as its factorization.

402441023027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 402441023027 in words is "four hundred two billion, four hundred forty-one million, twenty-three thousand, twenty-seven".