40672580861 has 16 divisors (see below), whose sum is σ = 44624624640. Its totient is φ = 36763539120.

The previous prime is 40672580833. The next prime is 40672580941. The reversal of 40672580861 is 16808527604.

It is not a de Polignac number, because 40672580861 - 2¹⁴ = 40672564477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40672580161) 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 15 ways as a sum of consecutive naturals, for example, 1427210 + ... + 1455428.

It is an arithmetic number, because the mean of its divisors is an integer number (2789039040).

Almost surely, 2^40672580861 is an apocalyptic number.

It is an amenable number.

40672580861 is a deficient number, since it is larger than the sum of its proper divisors (3952043779).

40672580861 is a wasteful number, since it uses less digits than its factorization.

40672580861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28976.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 40672580861 in words is "forty billion, six hundred seventy-two million, five hundred eighty thousand, eight hundred sixty-one".