4000645136126 has 8 divisors (see below), whose sum is σ = 6002181752544. Its totient is φ = 1999917885280.

The previous prime is 4000645136119. The next prime is 4000645136233. The reversal of 4000645136126 is 6216315460004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4000645136126.

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, 202329035 + ... + 202348806.

It is an arithmetic number, because the mean of its divisors is an integer number (750272719068).

Almost surely, 2^{4000645136126} is an apocalyptic number.

4000645136126 is a deficient number, since it is larger than the sum of its proper divisors (2001536616418).

4000645136126 is a wasteful number, since it uses less digits than its factorization.

4000645136126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404682786.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 4000645136126 in words is "four trillion, six hundred forty-five million, one hundred thirty-six thousand, one hundred twenty-six".