14565456540 has 36 divisors (see below), whose sum is σ = 44181885384. Its totient is φ = 3884121696.

The previous prime is 14565456511. The next prime is 14565456553. The reversal of 14565456540 is 4565456541.

14565456540 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 54 + 56 + 540 = 666.

14565456540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40459422 + ... + 40459781.

It is an arithmetic number, because the mean of its divisors is an integer number (1227274594).

Almost surely, 2^14565456540 is an apocalyptic number.

14565456540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14565456540 is an abundant number, since it is smaller than the sum of its proper divisors (29616428844).

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

14565456540 is a wasteful number, since it uses less digits than its factorization.

14565456540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80919218 (or 80919213 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Subtracting from 14565456540 its reverse (4565456541), we obtain a palindrome (9999999999).

The spelling of 14565456540 in words is "fourteen billion, five hundred sixty-five million, four hundred fifty-six thousand, five hundred forty".