14181040 has 40 divisors (see below), whose sum is σ = 33310368. Its totient is φ = 5614080.

The previous prime is 14181023. The next prime is 14181047. The reversal of 14181040 is 4018141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×14181040² = 402203790963200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14180999 and 14181017.

It is not an unprimeable number, because it can be changed into a prime (14181047) 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, 7380 + ... + 9100.

Almost surely, 2^14181040 is an apocalyptic number.

14181040 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 14181040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16655184).

14181040 is an abundant number, since it is smaller than the sum of its proper divisors (19129328).

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

14181040 is a wasteful number, since it uses less digits than its factorization.

14181040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 14181040 is about 3765.7721651741. The cubic root of 14181040 is about 242.0486663048.

Adding to 14181040 its reverse (4018141), we get a palindrome (18199181).

The spelling of 14181040 in words is "fourteen million, one hundred eighty-one thousand, forty".