14021205450 has 384 divisors, whose sum is σ = 42854400000. Its totient is φ = 3028435200.

The previous prime is 14021205449. The next prime is 14021205533. The reversal of 14021205450 is 5450212041.

It is a super-2 number, since 2×14021205450² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14021205450.

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 191 ways as a sum of consecutive naturals, for example, 94101976 + ... + 94102124.

It is an arithmetic number, because the mean of its divisors is an integer number (111600000).

Almost surely, 2^14021205450 is an apocalyptic number.

14021205450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14021205450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200000).

14021205450 is an abundant number, since it is smaller than the sum of its proper divisors (28833194550).

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

14021205450 is a wasteful number, since it uses less digits than its factorization.

14021205450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 14021205450 its reverse (5450212041), we get a palindrome (19471417491).

The spelling of 14021205450 in words is "fourteen billion, twenty-one million, two hundred five thousand, four hundred fifty".