402044038201571 has 2 divisors, whose sum is σ = 402044038201572. Its totient is φ = 402044038201570.

The previous prime is 402044038201459. The next prime is 402044038201583. The reversal of 402044038201571 is 175102830440204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402044038201571 - 2¹⁰ = 402044038200547 is a prime.

It is not a weakly prime, because it can be changed into another prime (402044038261571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201022019100785 + 201022019100786.

It is an arithmetic number, because the mean of its divisors is an integer number (201022019100786).

Almost surely, 2^{402044038201571} is an apocalyptic number.

402044038201571 is a deficient number, since it is larger than the sum of its proper divisors (1).

402044038201571 is an equidigital number, since it uses as much as digits as its factorization.

402044038201571 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.

Adding to 402044038201571 its reverse (175102830440204), we get a palindrome (577146868641775).

The spelling of 402044038201571 in words is "four hundred two trillion, forty-four billion, thirty-eight million, two hundred one thousand, five hundred seventy-one".