40566079872 has 48 divisors (see below), whose sum is σ = 116733123780. Its totient is φ = 13522026240.

The previous prime is 40566079871. The next prime is 40566079877. The reversal of 40566079872 is 27897066504.

40566079872 is a `hidden beast` number, since 4 + 0 + 566 + 0 + 7 + 9 + 8 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40566079871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17605654 + ... + 17607957.

Almost surely, 2^40566079872 is an apocalyptic number.

It is an amenable number.

40566079872 is an abundant number, since it is smaller than the sum of its proper divisors (76167043908).

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

40566079872 is a wasteful number, since it uses less digits than its factorization.

40566079872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35213631 (or 35213616 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 40566079872 in words is "forty billion, five hundred sixty-six million, seventy-nine thousand, eight hundred seventy-two".