4040246025 has 18 divisors (see below), whose sum is σ = 7236529950. Its totient is φ = 2154797760.

The previous prime is 4040246003. The next prime is 4040246059. The reversal of 4040246025 is 5206420404.

4040246025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 105945849 + 3934300176 = 10293^2 + 62724^2 .

It is not a de Polignac number, because 4040246025 - 2⁷ = 4040245897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4040246025.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 8978100 + ... + 8978549.

Almost surely, 2^4040246025 is an apocalyptic number.

4040246025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4040246025 is a deficient number, since it is larger than the sum of its proper divisors (3196283925).

4040246025 is a wasteful number, since it uses less digits than its factorization.

4040246025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956665 (or 17956657 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4040246025 is about 63562.9296445656. The cubic root of 4040246025 is about 1592.7071775555.

Adding to 4040246025 its reverse (5206420404), we get a palindrome (9246666429).

The spelling of 4040246025 in words is "four billion, forty million, two hundred forty-six thousand, twenty-five".