1401440353 has 2 divisors, whose sum is σ = 1401440354. Its totient is φ = 1401440352.

The previous prime is 1401440321. The next prime is 1401440423. The reversal of 1401440353 is 3530441041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921304609 + 480135744 = 30353^2 + 21912^2 .

It is an emirp because it is prime and its reverse (3530441041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401440353 - 2⁵ = 1401440321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401440753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700720176 + 700720177.

It is an arithmetic number, because the mean of its divisors is an integer number (700720177).

Almost surely, 2^1401440353 is an apocalyptic number.

It is an amenable number.

1401440353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401440353 is an equidigital number, since it uses as much as digits as its factorization.

1401440353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1401440353 is about 37435.8164462858. The cubic root of 1401440353 is about 1119.0724551066.

Adding to 1401440353 its reverse (3530441041), we get a palindrome (4931881394).

The spelling of 1401440353 in words is "one billion, four hundred one million, four hundred forty thousand, three hundred fifty-three".