402044424071 has 2 divisors, whose sum is σ = 402044424072. Its totient is φ = 402044424070.

The previous prime is 402044423987. The next prime is 402044424091. The reversal of 402044424071 is 170424440204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402044424071 - 2¹⁸ = 402044161927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402044424091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201022212035 + 201022212036.

It is an arithmetic number, because the mean of its divisors is an integer number (201022212036).

Almost surely, 2^402044424071 is an apocalyptic number.

402044424071 is a deficient number, since it is larger than the sum of its proper divisors (1).

402044424071 is an equidigital number, since it uses as much as digits as its factorization.

402044424071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 32.

Adding to 402044424071 its reverse (170424440204), we get a palindrome (572468864275).

The spelling of 402044424071 in words is "four hundred two billion, forty-four million, four hundred twenty-four thousand, seventy-one".