3640125004 has 6 divisors (see below), whose sum is σ = 6370218764. Its totient is φ = 1820062500.

The previous prime is 3640125001. The next prime is 3640125019. The reversal of 3640125004 is 4005210463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640125004.

It is not an unprimeable number, because it can be changed into a prime (3640125001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455015622 + ... + 455015629.

Almost surely, 2^3640125004 is an apocalyptic number.

It is an amenable number.

3640125004 is a deficient number, since it is larger than the sum of its proper divisors (2730093760).

3640125004 is a wasteful number, since it uses less digits than its factorization.

3640125004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910031255 (or 910031253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3640125004 is about 60333.4484676618. The cubic root of 3640125004 is about 1538.2919450098.

Adding to 3640125004 its reverse (4005210463), we get a palindrome (7645335467).

The spelling of 3640125004 in words is "three billion, six hundred forty million, one hundred twenty-five thousand, four".