14481640 has 32 divisors (see below), whose sum is σ = 33281280. Its totient is φ = 5668672.

The previous prime is 14481617. The next prime is 14481641. The reversal of 14481640 is 4618441.

It is a junction number, because it is equal to n+sod(n) for n = 14481599 and 14481608.

It is not an unprimeable number, because it can be changed into a prime (14481641) 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, 1972 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (1040040).

Almost surely, 2^14481640 is an apocalyptic number.

14481640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14481640 is an abundant number, since it is smaller than the sum of its proper divisors (18799640).

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

14481640 is a wasteful number, since it uses less digits than its factorization.

14481640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761 (or 7757 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 14481640 is about 3805.4750032026. The cubic root of 14481640 is about 243.7469830878.

The spelling of 14481640 in words is "fourteen million, four hundred eighty-one thousand, six hundred forty".