14640560 has 80 divisors (see below), whose sum is σ = 37711872. Its totient is φ = 5241600.

The previous prime is 14640559. The next prime is 14640601. The reversal of 14640560 is 6504641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×14640560² = 428691994227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111695 + ... + 111825.

Almost surely, 2^14640560 is an apocalyptic number.

14640560 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 14640560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18855936).

14640560 is an abundant number, since it is smaller than the sum of its proper divisors (23071312).

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

14640560 is a wasteful number, since it uses less digits than its factorization.

14640560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 14640560 is about 3826.2984724143. The cubic root of 14640560 is about 244.6353592713.

The spelling of 14640560 in words is "fourteen million, six hundred forty thousand, five hundred sixty".