14004420402 has 128 divisors (see below), whose sum is σ = 34497792000. Its totient is φ = 3777979968.

The previous prime is 14004420401. The next prime is 14004420403. The reversal of 14004420402 is 20402440041.

It is an interprime number because it is at equal distance from previous prime (14004420401) and next prime (14004420403).

It is a super-2 number, since 2×14004420402² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (14004420401) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 21779493 + ... + 21780135.

It is an arithmetic number, because the mean of its divisors is an integer number (269514000).

Almost surely, 2^14004420402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14004420402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17248896000).

14004420402 is an abundant number, since it is smaller than the sum of its proper divisors (20493371598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14004420402 is a wasteful number, since it uses less digits than its factorization.

14004420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 14004420402 its reverse (20402440041), we get a palindrome (34406860443).

The spelling of 14004420402 in words is "fourteen billion, four million, four hundred twenty thousand, four hundred two".