3940189165822 has 16 divisors (see below), whose sum is σ = 7274195383392. Its totient is φ = 1558756153440.

The previous prime is 3940189165817. The next prime is 3940189165837. The reversal of 3940189165822 is 2285619810493.

It is a happy number.

It is a super-2 number, since 2×3940189165822² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10824695329 + ... + 10824695692.

It is an arithmetic number, because the mean of its divisors is an integer number (454637211462).

Almost surely, 2^{3940189165822} is an apocalyptic number.

3940189165822 is a deficient number, since it is larger than the sum of its proper divisors (3334006217570).

3940189165822 is a wasteful number, since it uses less digits than its factorization.

3940189165822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21649391043.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 3940189165822 in words is "three trillion, nine hundred forty billion, one hundred eighty-nine million, one hundred sixty-five thousand, eight hundred twenty-two".