40587278505 has 8 divisors (see below), whose sum is σ = 64939645632. Its totient is φ = 21646548528.

The previous prime is 40587278491. The next prime is 40587278527. The reversal of 40587278505 is 50587278504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40587278505 - 2¹⁶ = 40587212969 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 1352909269 + ... + 1352909298.

It is an arithmetic number, because the mean of its divisors is an integer number (8117455704).

Almost surely, 2^40587278505 is an apocalyptic number.

It is an amenable number.

40587278505 is a deficient number, since it is larger than the sum of its proper divisors (24352367127).

40587278505 is a wasteful number, since it uses less digits than its factorization.

40587278505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705818575.

The product of its (nonzero) digits is 3136000, while the sum is 51.

Subtracting 40587278505 from its reverse (50587278504), we obtain a palindrome (9999999999).

The spelling of 40587278505 in words is "forty billion, five hundred eighty-seven million, two hundred seventy-eight thousand, five hundred five".