40221666877 has 16 divisors (see below), whose sum is σ = 46571068800. Its totient is φ = 34026078528.

The previous prime is 40221666869. The next prime is 40221666893. The reversal of 40221666877 is 77866612204.

It is a cyclic number.

It is not a de Polignac number, because 40221666877 - 2³ = 40221666869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40221666877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221666857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40938 + ... + 286564.

It is an arithmetic number, because the mean of its divisors is an integer number (2910691800).

Almost surely, 2^40221666877 is an apocalyptic number.

It is an amenable number.

40221666877 is a deficient number, since it is larger than the sum of its proper divisors (6349401923).

40221666877 is a wasteful number, since it uses less digits than its factorization.

40221666877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245940.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 40221666877 in words is "forty billion, two hundred twenty-one million, six hundred sixty-six thousand, eight hundred seventy-seven".