40606006057 has 4 divisors (see below), whose sum is σ = 40606425556. Its totient is φ = 40605586560.

The previous prime is 40606006039. The next prime is 40606006061. The reversal of 40606006057 is 75060060604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19011997456 + 21594008601 = 137884^2 + 146949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40606006057 is a prime.

It is a super-2 number, since 2×40606006057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40606006027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17557 + ... + 285517.

It is an arithmetic number, because the mean of its divisors is an integer number (10151606389).

Almost surely, 2^40606006057 is an apocalyptic number.

It is an amenable number.

40606006057 is a deficient number, since it is larger than the sum of its proper divisors (419499).

40606006057 is a wasteful number, since it uses less digits than its factorization.

40606006057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419498.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 40606006057 in words is "forty billion, six hundred six million, six thousand, fifty-seven".