1402440353 has 2 divisors, whose sum is σ = 1402440354. Its totient is φ = 1402440352.

The previous prime is 1402440329. The next prime is 1402440397. The reversal of 1402440353 is 3530442041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1384360849 + 18079504 = 37207^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402440353 - 2¹⁶ = 1402374817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402440953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701220176 + 701220177.

It is an arithmetic number, because the mean of its divisors is an integer number (701220177).

Almost surely, 2^1402440353 is an apocalyptic number.

It is an amenable number.

1402440353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402440353 is an equidigital number, since it uses as much as digits as its factorization.

1402440353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1402440353 is about 37449.1702578308. The cubic root of 1402440353 is about 1119.3385638012.

Adding to 1402440353 its reverse (3530442041), we get a palindrome (4932882394).

The spelling of 1402440353 in words is "one billion, four hundred two million, four hundred forty thousand, three hundred fifty-three".