14030840 has 16 divisors (see below), whose sum is σ = 31569480. Its totient is φ = 5612320.

The previous prime is 14030837. The next prime is 14030921. The reversal of 14030840 is 4803041.

It is a super-2 number, since 2×14030840² = 393728942211200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175346 + ... + 175425.

Almost surely, 2^14030840 is an apocalyptic number.

14030840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14030840 is an abundant number, since it is smaller than the sum of its proper divisors (17538640).

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

14030840 is a wasteful number, since it uses less digits than its factorization.

14030840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350782 (or 350778 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14030840 is about 3745.7762880343. The cubic root of 14030840 is about 241.1910699308.

Adding to 14030840 its reverse (4803041), we get a palindrome (18833881).

The spelling of 14030840 in words is "fourteen million, thirty thousand, eight hundred forty".