14004440425 has 24 divisors (see below), whose sum is σ = 17754035544. Its totient is φ = 10954344960.

The previous prime is 14004440389. The next prime is 14004440453. The reversal of 14004440425 is 52404440041.

It can be written as a sum of positive squares in 12 ways, for example, as 155151936 + 13849288489 = 12456^2 + 117683^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14004440425 is a prime.

It is a super-2 number, since 2×14004440425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14004440393 and 14004440402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370189 + ... + 406261.

It is an arithmetic number, because the mean of its divisors is an integer number (739751481).

Almost surely, 2^14004440425 is an apocalyptic number.

It is an amenable number.

14004440425 is a deficient number, since it is larger than the sum of its proper divisors (3749595119).

14004440425 is a wasteful number, since it uses less digits than its factorization.

14004440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36429 (or 36424 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 14004440425 its reverse (52404440041), we get a palindrome (66408880466).

The spelling of 14004440425 in words is "fourteen billion, four million, four hundred forty thousand, four hundred twenty-five".