14453640 has 96 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 3851712.

The previous prime is 14453627. The next prime is 14453641. The reversal of 14453640 is 4635441.

14453640 is a `hidden beast` number, since 14 + 4 + 5 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14453641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8977 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 2^14453640 is an apocalyptic number.

14453640 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 14453640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373440).

14453640 is an abundant number, since it is smaller than the sum of its proper divisors (34293240).

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

14453640 is a wasteful number, since it uses less digits than its factorization.

14453640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 14453640 is about 3801.7943132158. The cubic root of 14453640 is about 243.5897882103.

The spelling of 14453640 in words is "fourteen million, four hundred fifty-three thousand, six hundred forty".