14440402 has 4 divisors (see below), whose sum is σ = 21660606. Its totient is φ = 7220200.

The previous prime is 14440381. The next prime is 14440409. The reversal of 14440402 is 20404441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14220441 + 219961 = 3771^2 + 469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14440402.

It is not an unprimeable number, because it can be changed into a prime (14440409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610099 + ... + 3610102.

Almost surely, 2^14440402 is an apocalyptic number.

14440402 is a deficient number, since it is larger than the sum of its proper divisors (7220204).

14440402 is an equidigital number, since it uses as much as digits as its factorization.

14440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220203.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 14440402 is about 3800.0528943687. The cubic root of 14440402 is about 243.5153980315.

Adding to 14440402 its reverse (20404441), we get a palindrome (34844843).

The spelling of 14440402 in words is "fourteen million, four hundred forty thousand, four hundred two".