40502820505 has 32 divisors (see below), whose sum is σ = 58485231360. Its totient is φ = 26304860160.

The previous prime is 40502820469. The next prime is 40502820517. The reversal of 40502820505 is 50502820504.

It is not a de Polignac number, because 40502820505 - 2⁹ = 40502819993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5008065 + ... + 5016145.

It is an arithmetic number, because the mean of its divisors is an integer number (1827663480).

Almost surely, 2^40502820505 is an apocalyptic number.

It is an amenable number.

40502820505 is a deficient number, since it is larger than the sum of its proper divisors (17982410855).

40502820505 is a wasteful number, since it uses less digits than its factorization.

40502820505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15649.

The product of its (nonzero) digits is 16000, while the sum is 31.

Subtracting 40502820505 from its reverse (50502820504), we obtain a palindrome (9999999999).

The spelling of 40502820505 in words is "forty billion, five hundred two million, eight hundred twenty thousand, five hundred five".