14725217628 has 36 divisors (see below), whose sum is σ = 40605904248. Its totient is φ = 4462187040.

The previous prime is 14725217621. The next prime is 14725217653. The reversal of 14725217628 is 82671252741.

14725217628 is a `hidden beast` number, since 1 + 4 + 7 + 2 + 5 + 2 + 17 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14725217621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18592051 + ... + 18592842.

Almost surely, 2^14725217628 is an apocalyptic number.

14725217628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14725217628 is an abundant number, since it is smaller than the sum of its proper divisors (25880686620).

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

14725217628 is a wasteful number, since it uses less digits than its factorization.

14725217628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37184914 (or 37184909 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 14725217628 in words is "fourteen billion, seven hundred twenty-five million, two hundred seventeen thousand, six hundred twenty-eight".