14152540644 has 96 divisors (see below), whose sum is σ = 40521828480. Its totient is φ = 4288619520.

The previous prime is 14152540637. The next prime is 14152540651. The reversal of 14152540644 is 44604525141.

14152540644 is a `hidden beast` number, since 1 + 4 + 1 + 5 + 2 + 5 + 4 + 0 + 644 = 666.

14152540644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14152540637) and next prime (14152540651).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 14152540599 and 14152540608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22692 + ... + 169764.

It is an arithmetic number, because the mean of its divisors is an integer number (422102380).

Almost surely, 2^14152540644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14152540644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20260914240).

14152540644 is an abundant number, since it is smaller than the sum of its proper divisors (26369287836).

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

14152540644 is a wasteful number, since it uses less digits than its factorization.

14152540644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147109 (or 147089 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 14152540644 in words is "fourteen billion, one hundred fifty-two million, five hundred forty thousand, six hundred forty-four".