14401021404 has 144 divisors (see below), whose sum is σ = 42704516736. Its totient is φ = 3735043200.

The previous prime is 14401021399. The next prime is 14401021423. The reversal of 14401021404 is 40412010441.

It is a super-2 number, since 2×14401021404² (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 a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 6279282 + ... + 6281574.

It is an arithmetic number, because the mean of its divisors is an integer number (296559144).

Almost surely, 2^14401021404 is an apocalyptic number.

14401021404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14401021404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21352258368).

14401021404 is an abundant number, since it is smaller than the sum of its proper divisors (28303495332).

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

14401021404 is a wasteful number, since it uses less digits than its factorization.

14401021404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3287 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 14401021404 its reverse (40412010441), we get a palindrome (54813031845).

The spelling of 14401021404 in words is "fourteen billion, four hundred one million, twenty-one thousand, four hundred four".