4000745676636 has 18 divisors (see below), whose sum is σ = 10112996016032. Its totient is φ = 1333581892200.

The previous prime is 4000745676611. The next prime is 4000745676667. The reversal of 4000745676636 is 6366765470004.

4000745676636 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 74 + 567 + 6 + 6 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55565912140 + ... + 55565912211.

Almost surely, 2^{4000745676636} is an apocalyptic number.

It is an amenable number.

4000745676636 is an abundant number, since it is smaller than the sum of its proper divisors (6112250339396).

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

4000745676636 is a wasteful number, since it uses less digits than its factorization.

4000745676636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111131824361 (or 111131824356 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 4000745676636 in words is "four trillion, seven hundred forty-five million, six hundred seventy-six thousand, six hundred thirty-six".