4044542025 has 24 divisors (see below), whose sum is σ = 6689469664. Its totient is φ = 2156284800.

The previous prime is 4044542023. The next prime is 4044542057. The reversal of 4044542025 is 5202454404.

It is not a de Polignac number, because 4044542025 - 2¹ = 4044542023 is a prime.

It is a super-2 number, since 2×4044542025² = 32716640383982201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4044541983 and 4044542001.

It is not an unprimeable number, because it can be changed into a prime (4044542023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230565 + ... + 247485.

Almost surely, 2^4044542025 is an apocalyptic number.

It is an amenable number.

4044542025 is a deficient number, since it is larger than the sum of its proper divisors (2644927639).

4044542025 is a wasteful number, since it uses less digits than its factorization.

4044542025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121 (or 20116 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 4044542025 is about 63596.7139481279. The cubic root of 4044542025 is about 1593.2714869476.

Adding to 4044542025 its reverse (5202454404), we get a palindrome (9246996429).

The spelling of 4044542025 in words is "four billion, forty-four million, five hundred forty-two thousand, twenty-five".