40326871586 has 4 divisors (see below), whose sum is σ = 60490307382. Its totient is φ = 20163435792.

The previous prime is 40326871573. The next prime is 40326871603. The reversal of 40326871586 is 68517862304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25191720961 + 15135150625 = 158719^2 + 123025^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10081717895 + ... + 10081717898.

Almost surely, 2^40326871586 is an apocalyptic number.

40326871586 is a deficient number, since it is larger than the sum of its proper divisors (20163435796).

40326871586 is a wasteful number, since it uses less digits than its factorization.

40326871586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163435795.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 40326871586 in words is "forty billion, three hundred twenty-six million, eight hundred seventy-one thousand, five hundred eighty-six".