3640185820382 has 32 divisors (see below), whose sum is σ = 5530802558400. Its totient is φ = 1796743537920.

The previous prime is 3640185820319. The next prime is 3640185820393. The reversal of 3640185820382 is 2830285810463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640185820382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152227007 + ... + 152250917.

It is an arithmetic number, because the mean of its divisors is an integer number (172837579950).

Almost surely, 2^{3640185820382} is an apocalyptic number.

3640185820382 is a deficient number, since it is larger than the sum of its proper divisors (1890616738018).

3640185820382 is a wasteful number, since it uses less digits than its factorization.

3640185820382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27188.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 3640185820382 in words is "three trillion, six hundred forty billion, one hundred eighty-five million, eight hundred twenty thousand, three hundred eighty-two".