14638736240 has 40 divisors (see below), whose sum is σ = 34954935360. Its totient is φ = 5697236736.

The previous prime is 14638736237. The next prime is 14638736243. The reversal of 14638736240 is 4263783641.

It is an interprime number because it is at equal distance from previous prime (14638736237) and next prime (14638736243).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 14638736191 and 14638736200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14638736243) 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, 2469800 + ... + 2475719.

It is an arithmetic number, because the mean of its divisors is an integer number (873873384).

Almost surely, 2^14638736240 is an apocalyptic number.

14638736240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14638736240 is an abundant number, since it is smaller than the sum of its proper divisors (20316199120).

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

14638736240 is a wasteful number, since it uses less digits than its factorization.

14638736240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945569 (or 4945563 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 14638736240 in words is "fourteen billion, six hundred thirty-eight million, seven hundred thirty-six thousand, two hundred forty".