14515040 has 48 divisors (see below), whose sum is σ = 34736688. Its totient is φ = 5730816.

The previous prime is 14514979. The next prime is 14515043. The reversal of 14515040 is 4051541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14515043) 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, 12734 + ... + 13826.

It is an arithmetic number, because the mean of its divisors is an integer number (723681).

Almost surely, 2^14515040 is an apocalyptic number.

14515040 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 14515040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17368344).

14515040 is an abundant number, since it is smaller than the sum of its proper divisors (20221648).

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

14515040 is a wasteful number, since it uses less digits than its factorization.

14515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 14515040 is about 3809.8608898489. The cubic root of 14515040 is about 243.9342293392.

Adding to 14515040 its reverse (4051541), we get a palindrome (18566581).

The spelling of 14515040 in words is "fourteen million, five hundred fifteen thousand, forty".