14005004240 has 20 divisors (see below), whose sum is σ = 32561635044. Its totient is φ = 5602001664.

The previous prime is 14005004219. The next prime is 14005004269. The reversal of 14005004240 is 4240050041.

It can be written as a sum of positive squares in 2 ways, for example, as 5871850384 + 8133153856 = 76628^2 + 90184^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×14005004240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87531197 + ... + 87531356.

Almost surely, 2^14005004240 is an apocalyptic number.

14005004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14005004240 is an abundant number, since it is smaller than the sum of its proper divisors (18556630804).

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

14005004240 is a wasteful number, since it uses less digits than its factorization.

14005004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175062566 (or 175062560 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 14005004240 its reverse (4240050041), we get a palindrome (18245054281).

The spelling of 14005004240 in words is "fourteen billion, five million, four thousand, two hundred forty".