40872144677 has 16 divisors (see below), whose sum is σ = 50369679360. Its totient is φ = 32296292352.

The previous prime is 40872144637. The next prime is 40872144701. The reversal of 40872144677 is 77644127804.

It is a cyclic number.

It is not a de Polignac number, because 40872144677 - 2¹² = 40872140581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872144637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222053 + ... + 362010.

It is an arithmetic number, because the mean of its divisors is an integer number (3148104960).

Almost surely, 2^40872144677 is an apocalyptic number.

It is an amenable number.

40872144677 is a deficient number, since it is larger than the sum of its proper divisors (9497534683).

40872144677 is a wasteful number, since it uses less digits than its factorization.

40872144677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584852.

The product of its (nonzero) digits is 2107392, while the sum is 50.

The spelling of 40872144677 in words is "forty billion, eight hundred seventy-two million, one hundred forty-four thousand, six hundred seventy-seven".