14525005440 has 128 divisors (see below), whose sum is σ = 50507478720. Its totient is φ = 3521208320.

The previous prime is 14525005433. The next prime is 14525005457. The reversal of 14525005440 is 4450052541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14525005398 and 14525005407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322749 + ... + 364988.

Almost surely, 2^14525005440 is an apocalyptic number.

14525005440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14525005440 is an abundant number, since it is smaller than the sum of its proper divisors (35982473280).

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

14525005440 is a wasteful number, since it uses less digits than its factorization.

14525005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687770 (or 687758 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 14525005440 its reverse (4450052541), we get a palindrome (18975057981).

The spelling of 14525005440 in words is "fourteen billion, five hundred twenty-five million, five thousand, four hundred forty".