4049545792668 has 24 divisors (see below), whose sum is σ = 9774765707280. Its totient is φ = 1303302094080.

The previous prime is 4049545792637. The next prime is 4049545792673. The reversal of 4049545792668 is 8662975459404.

It is a super-3 number, since 3×4049545792668³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 5818312573 + ... + 5818313268.

It is an arithmetic number, because the mean of its divisors is an integer number (407281904470).

Almost surely, 2^{4049545792668} is an apocalyptic number.

It is an amenable number.

4049545792668 is an abundant number, since it is smaller than the sum of its proper divisors (5725219914612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4049545792668 is a wasteful number, since it uses less digits than its factorization.

4049545792668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11636625877 (or 11636625875 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 69.

The spelling of 4049545792668 in words is "four trillion, forty-nine billion, five hundred forty-five million, seven hundred ninety-two thousand, six hundred sixty-eight".