14440354021 has 4 divisors (see below), whose sum is σ = 14544241600. Its totient is φ = 14336466444.

The previous prime is 14440354009. The next prime is 14440354031. The reversal of 14440354021 is 12045304441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14440354021 - 2¹⁵ = 14440321253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440354031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51943581 + ... + 51943858.

It is an arithmetic number, because the mean of its divisors is an integer number (3636060400).

Almost surely, 2^14440354021 is an apocalyptic number.

It is an amenable number.

14440354021 is a deficient number, since it is larger than the sum of its proper divisors (103887579).

14440354021 is a wasteful number, since it uses less digits than its factorization.

14440354021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103887578.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 14440354021 its reverse (12045304441), we get a palindrome (26485658462).

The spelling of 14440354021 in words is "fourteen billion, four hundred forty million, three hundred fifty-four thousand, twenty-one".