3640055512 has 8 divisors (see below), whose sum is σ = 6825104100. Its totient is φ = 1820027752.

The previous prime is 3640055407. The next prime is 3640055569. The reversal of 3640055512 is 2155500463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 227503462 + ... + 227503477.

Almost surely, 2^3640055512 is an apocalyptic number.

It is an amenable number.

3640055512 is a deficient number, since it is larger than the sum of its proper divisors (3185048588).

3640055512 is a wasteful number, since it uses less digits than its factorization.

3640055512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455006945 (or 455006941 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 3640055512 is about 60332.8725654597. The cubic root of 3640055512 is about 1538.2821559994.

Adding to 3640055512 its reverse (2155500463), we get a palindrome (5795555975).

The spelling of 3640055512 in words is "three billion, six hundred forty million, fifty-five thousand, five hundred twelve".