3640538043382 has 8 divisors (see below), whose sum is σ = 5461433402400. Its totient is φ = 1820060242584.

The previous prime is 3640538043323. The next prime is 3640538043409. The reversal of 3640538043382 is 2833408350463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104367757 + ... + 104402632.

It is an arithmetic number, because the mean of its divisors is an integer number (682679175300).

Almost surely, 2^{3640538043382} is an apocalyptic number.

3640538043382 is a deficient number, since it is larger than the sum of its proper divisors (1820895359018).

3640538043382 is a wasteful number, since it uses less digits than its factorization.

3640538043382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208779110.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 3640538043382 in words is "three trillion, six hundred forty billion, five hundred thirty-eight million, forty-three thousand, three hundred eighty-two".