14540840 has 32 divisors (see below), whose sum is σ = 33016680. Its totient is φ = 5763072.

The previous prime is 14540821. The next prime is 14540863. The reversal of 14540840 is 4804541.

It can be written as a sum of positive squares in 4 ways, for example, as 10484644 + 4056196 = 3238^2 + 2014^2 .

It is a super-2 number, since 2×14540840² = 422872055811200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2912 + ... + 6128.

Almost surely, 2^14540840 is an apocalyptic number.

14540840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14540840 is an abundant number, since it is smaller than the sum of its proper divisors (18475840).

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

14540840 is a wasteful number, since it uses less digits than its factorization.

14540840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 14540840 is about 3813.2453369800. The cubic root of 14540840 is about 244.0786721140.

The spelling of 14540840 in words is "fourteen million, five hundred forty thousand, eight hundred forty".