40011487671 has 16 divisors (see below), whose sum is σ = 53576598240. Its totient is φ = 26560588800.

The previous prime is 40011487669. The next prime is 40011487679. The reversal of 40011487671 is 17678411004.

It is not a de Polignac number, because 40011487671 - 2¹ = 40011487669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011487679) 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, 655281 + ... + 713733.

It is an arithmetic number, because the mean of its divisors is an integer number (3348537390).

Almost surely, 2^40011487671 is an apocalyptic number.

40011487671 is a deficient number, since it is larger than the sum of its proper divisors (13565110569).

40011487671 is a wasteful number, since it uses less digits than its factorization.

40011487671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59426.

The product of its (nonzero) digits is 37632, while the sum is 39.

Adding to 40011487671 its reverse (17678411004), we get a palindrome (57689898675).

The spelling of 40011487671 in words is "forty billion, eleven million, four hundred eighty-seven thousand, six hundred seventy-one".