14004242440 has 32 divisors (see below), whose sum is σ = 31514751000. Its totient is φ = 5600771584.

The previous prime is 14004242411. The next prime is 14004242453. The reversal of 14004242440 is 4424240041.

It can be written as a sum of positive squares in 4 ways, for example, as 4207597956 + 9796644484 = 64866^2 + 98978^2 .

It is a super-2 number, since 2×14004242440² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249276 + ... + 300244.

Almost surely, 2^14004242440 is an apocalyptic number.

14004242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14004242440 is an abundant number, since it is smaller than the sum of its proper divisors (17510508560).

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

14004242440 is a wasteful number, since it uses less digits than its factorization.

14004242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57849 (or 57845 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 14004242440 its reverse (4424240041), we get a palindrome (18428482481).

The spelling of 14004242440 in words is "fourteen billion, four million, two hundred forty-two thousand, four hundred forty".