40420474305 has 16 divisors (see below), whose sum is σ = 65583644544. Its totient is φ = 21253957760.

The previous prime is 40420474301. The next prime is 40420474313. The reversal of 40420474305 is 50347402404.

It is not a de Polignac number, because 40420474305 - 2² = 40420474301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40420474301) 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, 18975684 + ... + 18977813.

It is an arithmetic number, because the mean of its divisors is an integer number (4098977784).

Almost surely, 2^40420474305 is an apocalyptic number.

It is an amenable number.

40420474305 is a deficient number, since it is larger than the sum of its proper divisors (25163170239).

40420474305 is a wasteful number, since it uses less digits than its factorization.

40420474305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37953576.

The product of its (nonzero) digits is 53760, while the sum is 33.

Adding to 40420474305 its reverse (50347402404), we get a palindrome (90767876709).

The spelling of 40420474305 in words is "forty billion, four hundred twenty million, four hundred seventy-four thousand, three hundred five".