40019060605 has 8 divisors (see below), whose sum is σ = 48463450200. Its totient is φ = 31721530176.

The previous prime is 40019060581. The next prime is 40019060659. The reversal of 40019060605 is 50606091004.

It can be written as a sum of positive squares in 4 ways, for example, as 85433049 + 39933627556 = 9243^2 + 199834^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40019060605 - 2⁹ = 40019060093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36714190 + ... + 36715279.

It is an arithmetic number, because the mean of its divisors is an integer number (6057931275).

Almost surely, 2^40019060605 is an apocalyptic number.

It is an amenable number.

40019060605 is a deficient number, since it is larger than the sum of its proper divisors (8444389595).

40019060605 is a wasteful number, since it uses less digits than its factorization.

40019060605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73429583.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 40019060605 in words is "forty billion, nineteen million, sixty thousand, six hundred five".