40866864481 has 8 divisors (see below), whose sum is σ = 42189712128. Its totient is φ = 39544302000.

The previous prime is 40866864473. The next prime is 40866864503. The reversal of 40866864481 is 18446866804.

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

It is a cyclic number.

It is not a de Polignac number, because 40866864481 - 2³ = 40866864473 is a prime.

It is a super-2 number, since 2×40866864481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40866864461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241866 + ... + 374476.

It is an arithmetic number, because the mean of its divisors is an integer number (5273714016).

Almost surely, 2^40866864481 is an apocalyptic number.

It is an amenable number.

40866864481 is a deficient number, since it is larger than the sum of its proper divisors (1322847647).

40866864481 is a wasteful number, since it uses less digits than its factorization.

40866864481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142583.

The product of its (nonzero) digits is 7077888, while the sum is 55.

The spelling of 40866864481 in words is "forty billion, eight hundred sixty-six million, eight hundred sixty-four thousand, four hundred eighty-one".