14357645731728 has 120 divisors (see below), whose sum is σ = 45817781333688. Its totient is φ = 4157870247936.

The previous prime is 14357645731727. The next prime is 14357645731733. The reversal of 14357645731728 is 82713754675341.

14357645731728 is a `hidden beast` number, since 1 + 4 + 3 + 5 + 7 + 6 + 457 + 3 + 172 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14852784384 + 14342792947344 = 121872^2 + 3787188^2 .

It is a super-2 number, since 2×14357645731728² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14357645731727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225547075 + ... + 225610722.

Almost surely, 2^{14357645731728} is an apocalyptic number.

14357645731728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14357645731728 is an abundant number, since it is smaller than the sum of its proper divisors (31460135601960).

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

14357645731728 is a wasteful number, since it uses less digits than its factorization.

14357645731728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451157841 (or 451157832 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 63.

The spelling of 14357645731728 in words is "fourteen trillion, three hundred fifty-seven billion, six hundred forty-five million, seven hundred thirty-one thousand, seven hundred twenty-eight".