14640072080 has 80 divisors (see below), whose sum is σ = 34592968944. Its totient is φ = 5761351680.

The previous prime is 14640072049. The next prime is 14640072091. The reversal of 14640072080 is 8027004641.

It can be written as a sum of positive squares in 8 ways, for example, as 4079632384 + 10560439696 = 63872^2 + 102764^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232570 + ... + 1244390.

Almost surely, 2^14640072080 is an apocalyptic number.

14640072080 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 14640072080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17296484472).

14640072080 is an abundant number, since it is smaller than the sum of its proper divisors (19952896864).

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

14640072080 is a wasteful number, since it uses less digits than its factorization.

14640072080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084 (or 12078 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 14640072080 in words is "fourteen billion, six hundred forty million, seventy-two thousand, eighty".