3640888348 has 12 divisors (see below), whose sum is σ = 6479547480. Its totient is φ = 1789589072.

The previous prime is 3640888337. The next prime is 3640888379. The reversal of 3640888348 is 8438880463.

It is a junction number, because it is equal to n+sod(n) for n = 3640888295 and 3640888304.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7713511 + ... + 7713982.

It is an arithmetic number, because the mean of its divisors is an integer number (539962290).

Almost surely, 2^3640888348 is an apocalyptic number.

It is an amenable number.

3640888348 is a deficient number, since it is larger than the sum of its proper divisors (2838659132).

3640888348 is a wasteful number, since it uses less digits than its factorization.

3640888348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427556 (or 15427554 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The square root of 3640888348 is about 60339.7741792261. The cubic root of 3640888348 is about 1538.3994654799.

The spelling of 3640888348 in words is "three billion, six hundred forty million, eight hundred eighty-eight thousand, three hundred forty-eight".