3640270256 has 40 divisors (see below), whose sum is σ = 8114733600. Its totient is φ = 1549638144.

The previous prime is 3640270241. The next prime is 3640270267. The reversal of 3640270256 is 6520720463.

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 7 ways as a sum of consecutive naturals, for example, 92381 + ... + 125756.

It is an arithmetic number, because the mean of its divisors is an integer number (202868340).

Almost surely, 2^3640270256 is an apocalyptic number.

It is an amenable number.

3640270256 is an abundant number, since it is smaller than the sum of its proper divisors (4474463344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3640270256 is a wasteful number, since it uses less digits than its factorization.

3640270256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218301 (or 218295 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 3640270256 is about 60334.6521992130. The cubic root of 3640270256 is about 1538.3124055718.

The spelling of 3640270256 in words is "three billion, six hundred forty million, two hundred seventy thousand, two hundred fifty-six".