14640363721520 has 40 divisors (see below), whose sum is σ = 34039026883680. Its totient is φ = 5856114309120.

The previous prime is 14640363721433. The next prime is 14640363721523. The reversal of 14640363721520 is 2512736304641.

14640363721520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×14640363721520² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14640363721523) 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, 19965536 + ... + 20685824.

It is an arithmetic number, because the mean of its divisors is an integer number (850975672092).

Almost surely, 2^{14640363721520} is an apocalyptic number.

14640363721520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14640363721520 is an abundant number, since it is smaller than the sum of its proper divisors (19398663162160).

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

14640363721520 is a wasteful number, since it uses less digits than its factorization.

14640363721520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974373 (or 974367 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 14640363721520 in words is "fourteen trillion, six hundred forty billion, three hundred sixty-three million, seven hundred twenty-one thousand, five hundred twenty".