40566870028 has 12 divisors (see below), whose sum is σ = 70993442520. Its totient is φ = 20283029312.

The previous prime is 40566870017. The next prime is 40566870031. The reversal of 40566870028 is 82007866504.

It is a self number, because there is not a number n which added to its sum of digits gives 40566870028.

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, 300708 + ... + 414196.

It is an arithmetic number, because the mean of its divisors is an integer number (5916120210).

Almost surely, 2^40566870028 is an apocalyptic number.

It is an amenable number.

40566870028 is a deficient number, since it is larger than the sum of its proper divisors (30426572492).

40566870028 is a wasteful number, since it uses less digits than its factorization.

40566870028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202856 (or 202854 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 40566870028 in words is "forty billion, five hundred sixty-six million, eight hundred seventy thousand, twenty-eight".