3668240025 has 72 divisors (see below), whose sum is σ = 6994161720. Its totient is φ = 1831403520.

The previous prime is 3668239987. The next prime is 3668240039. The reversal of 3668240025 is 5200428663.

It can be written as a sum of positive squares in 12 ways, for example, as 1458017856 + 2210222169 = 38184^2 + 47013^2 .

It is not a de Polignac number, because 3668240025 - 2¹⁴ = 3668223641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 735741 + ... + 740709.

It is an arithmetic number, because the mean of its divisors is an integer number (97141135).

Almost surely, 2^3668240025 is an apocalyptic number.

It is an amenable number.

3668240025 is a deficient number, since it is larger than the sum of its proper divisors (3325921695).

3668240025 is a wasteful number, since it uses less digits than its factorization.

3668240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 3668240025 is about 60565.9972674437. The cubic root of 3668240025 is about 1542.2421975192.

Adding to 3668240025 its reverse (5200428663), we get a palindrome (8868668688).

The spelling of 3668240025 in words is "three billion, six hundred sixty-eight million, two hundred forty thousand, twenty-five".