40566136444 has 12 divisors (see below), whose sum is σ = 70992805968. Its totient is φ = 20282477600.

The previous prime is 40566136379. The next prime is 40566136493. The reversal of 40566136444 is 44463166504.

It is a super-2 number, since 2×40566136444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40566136444.

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, 30864 + ... + 286504.

It is an arithmetic number, because the mean of its divisors is an integer number (5916067164).

Almost surely, 2^40566136444 is an apocalyptic number.

It is an amenable number.

40566136444 is a deficient number, since it is larger than the sum of its proper divisors (30426669524).

40566136444 is a wasteful number, since it uses less digits than its factorization.

40566136444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295316 (or 295314 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 40566136444 in words is "forty billion, five hundred sixty-six million, one hundred thirty-six thousand, four hundred forty-four".