244885723880625 has 135 divisors (see below), whose sum is σ = 445555765517863. Its totient is φ = 129567263376000.

The previous prime is 244885723880591. The next prime is 244885723880627. The reversal of 244885723880625 is 526088327588442.

The square root of 244885723880625 is 15648825.

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

244885723880625 is a `hidden beast` number, since 2 + 4 + 48 + 8 + 572 + 3 + 8 + 8 + 0 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 169206581091249 + 75679142789376 = 13007943^2 + 8699376^2 .

It is not a de Polignac number, because 244885723880625 - 2¹⁵ = 244885723847857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244885723880627) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 160791676114 + ... + 160791677636.

Almost surely, 2^{244885723880625} is an apocalyptic number.

244885723880625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

244885723880625 is the 15648825-th square number.

244885723880625 is the 7824413-rd centered octagonal number.

It is an amenable number.

244885723880625 is a deficient number, since it is larger than the sum of its proper divisors (200670041637238).

244885723880625 is an frugal number, since it uses more digits than its factorization.

244885723880625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 1651507200, while the sum is 72.

The spelling of 244885723880625 in words is "two hundred forty-four trillion, eight hundred eighty-five billion, seven hundred twenty-three million, eight hundred eighty thousand, six hundred twenty-five".