14525404240 has 80 divisors (see below), whose sum is σ = 35640040320. Its totient is φ = 5490270720.

The previous prime is 14525404213. The next prime is 14525404247. The reversal of 14525404240 is 4240452541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14525404247) 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, 591405 + ... + 615475.

It is an arithmetic number, because the mean of its divisors is an integer number (445500504).

Almost surely, 2^14525404240 is an apocalyptic number.

14525404240 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 14525404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17820020160).

14525404240 is an abundant number, since it is smaller than the sum of its proper divisors (21114636080).

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

14525404240 is a wasteful number, since it uses less digits than its factorization.

14525404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500 (or 24494 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 14525404240 its reverse (4240452541), we get a palindrome (18765856781).

The spelling of 14525404240 in words is "fourteen billion, five hundred twenty-five million, four hundred four thousand, two hundred forty".