402200044451 has 2 divisors, whose sum is σ = 402200044452. Its totient is φ = 402200044450.

The previous prime is 402200044439. The next prime is 402200044459. The reversal of 402200044451 is 154440002204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402200044451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402200044451.

It is not a weakly prime, because it can be changed into another prime (402200044459) 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, 201100022225 + 201100022226.

It is an arithmetic number, because the mean of its divisors is an integer number (201100022226).

Almost surely, 2^402200044451 is an apocalyptic number.

402200044451 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200044451 is an equidigital number, since it uses as much as digits as its factorization.

402200044451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 402200044451 its reverse (154440002204), we get a palindrome (556640046655).

The spelling of 402200044451 in words is "four hundred two billion, two hundred million, forty-four thousand, four hundred fifty-one".