14240042640 has 120 divisors (see below), whose sum is σ = 48199676928. Its totient is φ = 3767420160.

The previous prime is 14240042599. The next prime is 14240042659. The reversal of 14240042640 is 4624004241.

It is a happy number.

14240042640 is a `hidden beast` number, since 14 + 2 + 4 + 0 + 0 + 4 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13575 + ... + 169305.

Almost surely, 2^14240042640 is an apocalyptic number.

14240042640 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 14240042640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24099838464).

14240042640 is an abundant number, since it is smaller than the sum of its proper divisors (33959634288).

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

14240042640 is a wasteful number, since it uses less digits than its factorization.

14240042640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155877 (or 155868 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 14240042640 its reverse (4624004241), we get a palindrome (18864046881).

The spelling of 14240042640 in words is "fourteen billion, two hundred forty million, forty-two thousand, six hundred forty".