40040504105 has 12 divisors (see below), whose sum is σ = 55893275460. Its totient is φ = 27456345504.

The previous prime is 40040504099. The next prime is 40040504111. The reversal of 40040504105 is 50140504004.

It is an interprime number because it is at equal distance from previous prime (40040504099) and next prime (40040504111).

It can be written as a sum of positive squares in 2 ways, for example, as 16524588304 + 23515915801 = 128548^2 + 153349^2 .

It is not a de Polignac number, because 40040504105 - 2⁴ = 40040504089 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 11 ways as a sum of consecutive naturals, for example, 81715070 + ... + 81715559.

It is an arithmetic number, because the mean of its divisors is an integer number (4657772955).

Almost surely, 2^40040504105 is an apocalyptic number.

It is an amenable number.

40040504105 is a deficient number, since it is larger than the sum of its proper divisors (15852771355).

40040504105 is a wasteful number, since it uses less digits than its factorization.

40040504105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163430648 (or 163430641 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 40040504105 in words is "forty billion, forty million, five hundred four thousand, one hundred five".