14008439556225 has 135 divisors (see below), whose sum is σ = 26822518723539. Its totient is φ = 7227467546400.

The previous prime is 14008439556211. The next prime is 14008439556247. The reversal of 14008439556225 is 52265593480041.

The square root of 14008439556225 is 3742785.

It is a perfect power (a square), and thus also a powerful number.

14008439556225 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 8 + 4 + 3 + 9 + 5 + 5 + 622 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5043038240241 + 8965401315984 = 2245671^2 + 2994228^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 14008439556225 - 2⁵ = 14008439556193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 5221183734 + ... + 5221186416.

Almost surely, 2^{14008439556225} is an apocalyptic number.

14008439556225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14008439556225 is the 3742785-th square number.

14008439556225 is the 1871393-rd centered octagonal number.

It is an amenable number.

14008439556225 is a deficient number, since it is larger than the sum of its proper divisors (12814079167314).

14008439556225 is an frugal number, since it uses more digits than its factorization.

14008439556225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 14008439556225 in words is "fourteen trillion, eight billion, four hundred thirty-nine million, five hundred fifty-six thousand, two hundred twenty-five".