14501252440 has 32 divisors (see below), whose sum is σ = 32732088480. Its totient is φ = 5781964032.

The previous prime is 14501252393. The next prime is 14501252443. The reversal of 14501252440 is 4425210541.

It is a junction number, because it is equal to n+sod(n) for n = 14501252399 and 14501252408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14501252443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566604 + ... + 591643.

It is an arithmetic number, because the mean of its divisors is an integer number (1022877765).

Almost surely, 2^14501252440 is an apocalyptic number.

14501252440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14501252440 is an abundant number, since it is smaller than the sum of its proper divisors (18230836040).

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

14501252440 is a wasteful number, since it uses less digits than its factorization.

14501252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158571 (or 1158567 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 14501252440 its reverse (4425210541), we get a palindrome (18926462981).

The spelling of 14501252440 in words is "fourteen billion, five hundred one million, two hundred fifty-two thousand, four hundred forty".