3640185822002 has 4 divisors (see below), whose sum is σ = 5460278733006. Its totient is φ = 1820092911000.

The previous prime is 3640185821981. The next prime is 3640185822043. The reversal of 3640185822002 is 2002285810463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3127843382041 + 512342439961 = 1768571^2 + 715781^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910046455499 + ... + 910046455502.

Almost surely, 2^{3640185822002} is an apocalyptic number.

3640185822002 is a deficient number, since it is larger than the sum of its proper divisors (1820092911004).

3640185822002 is a wasteful number, since it uses less digits than its factorization.

3640185822002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820092911003.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 3640185822002 in words is "three trillion, six hundred forty billion, one hundred eighty-five million, eight hundred twenty-two thousand, two".