14535440 has 20 divisors (see below), whose sum is σ = 33795084. Its totient is φ = 5814144.

The previous prime is 14535439. The next prime is 14535457. The reversal of 14535440 is 4453541.

14535440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 9535744 = 2236^2 + 3088^2 .

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

It is a super-2 number, since 2×14535440² = 422558031987200, which contains 22 as substring.

It is a nialpdrome in base 16.

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, 90767 + ... + 90926.

Almost surely, 2^14535440 is an apocalyptic number.

14535440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14535440 is an abundant number, since it is smaller than the sum of its proper divisors (19259644).

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

14535440 is a wasteful number, since it uses less digits than its factorization.

14535440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181706 (or 181700 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 14535440 is about 3812.5372129331. The cubic root of 14535440 is about 244.0484540519.

Adding to 14535440 its reverse (4453541), we get a palindrome (18988981).

The spelling of 14535440 in words is "fourteen million, five hundred thirty-five thousand, four hundred forty".