3640250353642 has 16 divisors (see below), whose sum is σ = 6240916144512. Its totient is φ = 1559985552720.

The previous prime is 3640250353639. The next prime is 3640250353643. The reversal of 3640250353642 is 2463530520463.

It is not an unprimeable number, because it can be changed into a prime (3640250353643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9959209 + ... + 10318252.

It is an arithmetic number, because the mean of its divisors is an integer number (390057259032).

Almost surely, 2^{3640250353642} is an apocalyptic number.

3640250353642 is a deficient number, since it is larger than the sum of its proper divisors (2600665790870).

3640250353642 is a wasteful number, since it uses less digits than its factorization.

3640250353642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290293.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 3640250353642 in words is "three trillion, six hundred forty billion, two hundred fifty million, three hundred fifty-three thousand, six hundred forty-two".