1400304401 has 2 divisors, whose sum is σ = 1400304402. Its totient is φ = 1400304400.

The previous prime is 1400304397. The next prime is 1400304403. The reversal of 1400304401 is 1044030041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1387488001 + 12816400 = 37249^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400304401 - 2² = 1400304397 is a prime.

Together with 1400304403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400304401.

It is not a weakly prime, because it can be changed into another prime (1400304403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700152200 + 700152201.

It is an arithmetic number, because the mean of its divisors is an integer number (700152201).

Almost surely, 2^1400304401 is an apocalyptic number.

It is an amenable number.

1400304401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400304401 is an equidigital number, since it uses as much as digits as its factorization.

1400304401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1400304401 is about 37420.6413761175. The cubic root of 1400304401 is about 1118.7700147850.

Adding to 1400304401 its reverse (1044030041), we get a palindrome (2444334442).

The spelling of 1400304401 in words is "one billion, four hundred million, three hundred four thousand, four hundred one".