4441998836025 has 243 divisors, whose sum is σ = 8582472360007. Its totient is φ = 2195955801600.

The previous prime is 4441998836017. The next prime is 4441998836063. The reversal of 4441998836025 is 5206388991444.

The square root of 4441998836025 is 2107605.

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

4441998836025 is a `hidden beast` number, since 4 + 4 + 4 + 19 + 9 + 8 + 8 + 3 + 602 + 5 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 3900573650169 + 541425185856 = 1974987^2 + 735816^2 .

It is not a de Polignac number, because 4441998836025 - 2³ = 4441998836017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 29812072651 + ... + 29812072799.

Almost surely, 2^{4441998836025} is an apocalyptic number.

4441998836025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4441998836025 is the 2107605-th square number.

4441998836025 is the 1053803-rd centered octagonal number.

It is an amenable number.

4441998836025 is a deficient number, since it is larger than the sum of its proper divisors (4140473523982).

4441998836025 is a wasteful number, since it uses less digits than its factorization.

4441998836025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 4441998836025 in words is "four trillion, four hundred forty-one billion, nine hundred ninety-eight million, eight hundred thirty-six thousand, twenty-five".