14721652320 has 96 divisors (see below), whose sum is σ = 48389467392. Its totient is φ = 3755085312.

The previous prime is 14721652259. The next prime is 14721652327. The reversal of 14721652320 is 2325612741.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×14721652320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14721652327) 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, 655702 + ... + 677781.

It is an arithmetic number, because the mean of its divisors is an integer number (504056952).

Almost surely, 2^14721652320 is an apocalyptic number.

14721652320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14721652320 is an abundant number, since it is smaller than the sum of its proper divisors (33667815072).

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

14721652320 is a wasteful number, since it uses less digits than its factorization.

14721652320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333524 (or 1333516 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 14721652320 in words is "fourteen billion, seven hundred twenty-one million, six hundred fifty-two thousand, three hundred twenty".