14532303440 has 160 divisors (see below), whose sum is σ = 35853705216. Its totient is φ = 5466954240.

The previous prime is 14532303421. The next prime is 14532303451. The reversal of 14532303440 is 4430323541.

It is a super-2 number, since 2×14532303440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43904075 + ... + 43904405.

Almost surely, 2^14532303440 is an apocalyptic number.

14532303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14532303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17926852608).

14532303440 is an abundant number, since it is smaller than the sum of its proper divisors (21321401776).

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

14532303440 is a wasteful number, since it uses less digits than its factorization.

14532303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 14532303440 its reverse (4430323541), we get a palindrome (18962626981).

The spelling of 14532303440 in words is "fourteen billion, five hundred thirty-two million, three hundred three thousand, four hundred forty".