402144412027 has 2 divisors, whose sum is σ = 402144412028. Its totient is φ = 402144412026.

The previous prime is 402144412003. The next prime is 402144412031. The reversal of 402144412027 is 720214441204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402144412027 - 2³¹ = 399996928379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402144412027.

It is not a weakly prime, because it can be changed into another prime (402144412127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072206013 + 201072206014.

It is an arithmetic number, because the mean of its divisors is an integer number (201072206014).

Almost surely, 2^402144412027 is an apocalyptic number.

402144412027 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144412027 is an equidigital number, since it uses as much as digits as its factorization.

402144412027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 31.

The spelling of 402144412027 in words is "four hundred two billion, one hundred forty-four million, four hundred twelve thousand, twenty-seven".