14534640 has 100 divisors (see below), whose sum is σ = 50503464. Its totient is φ = 3874176.

The previous prime is 14534627. The next prime is 14534647. The reversal of 14534640 is 4643541.

14534640 is a `hidden beast` number, since 14 + 5 + 3 + 4 + 640 = 666.

It is a super-2 number, since 2×14534640² = 422511519859200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14534647) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5359 + ... + 7601.

Almost surely, 2^14534640 is an apocalyptic number.

14534640 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 14534640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25251732).

14534640 is an abundant number, since it is smaller than the sum of its proper divisors (35968824).

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

14534640 is a wasteful number, since it uses less digits than its factorization.

14534640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2253 counting only the distinct ones).

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

The square root of 14534640 is about 3812.4322944808. The cubic root of 14534640 is about 244.0439766655.

The spelling of 14534640 in words is "fourteen million, five hundred thirty-four thousand, six hundred forty".