14401021402 has 8 divisors (see below), whose sum is σ = 22872210516. Its totient is φ = 6776951232.

The previous prime is 14401021399. The next prime is 14401021423. The reversal of 14401021402 is 20412010441.

It can be written as a sum of positive squares in 2 ways, for example, as 14006959201 + 394062201 = 118351^2 + 19851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14401021402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211779693 + ... + 211779760.

Almost surely, 2^14401021402 is an apocalyptic number.

14401021402 is a deficient number, since it is larger than the sum of its proper divisors (8471189114).

14401021402 is a wasteful number, since it uses less digits than its factorization.

14401021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423559472.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 14401021402 its reverse (20412010441), we get a palindrome (34813031843).

The spelling of 14401021402 in words is "fourteen billion, four hundred one million, twenty-one thousand, four hundred two".