14399040 has 112 divisors (see below), whose sum is σ = 46744128. Its totient is φ = 3753984.

The previous prime is 14399039. The next prime is 14399041. The reversal of 14399040 is 4099341.

14399040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14399039) and next prime (14399041).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14398989 and 14399007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14399041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50739 + ... + 51021.

Almost surely, 2^14399040 is an apocalyptic number.

14399040 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 14399040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23372064).

14399040 is an abundant number, since it is smaller than the sum of its proper divisors (32345088).

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

14399040 is a wasteful number, since it uses less digits than its factorization.

14399040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 14399040 is about 3794.6066989874. The cubic root of 14399040 is about 243.2826733010.

The spelling of 14399040 in words is "fourteen million, three hundred ninety-nine thousand, forty".