40510612009 has 8 divisors (see below), whose sum is σ = 49021244928. Its totient is φ = 32680829760.

The previous prime is 40510612007. The next prime is 40510612027. The reversal of 40510612009 is 90021601504.

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 40510612009 - 2¹ = 40510612007 is a prime.

It is a super-2 number, since 2×40510612009² (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 (40510612007) 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 7 ways as a sum of consecutive naturals, for example, 170212537 + ... + 170212774.

It is an arithmetic number, because the mean of its divisors is an integer number (6127655616).

Almost surely, 2^40510612009 is an apocalyptic number.

It is an amenable number.

40510612009 is a deficient number, since it is larger than the sum of its proper divisors (8510632919).

40510612009 is a wasteful number, since it uses less digits than its factorization.

40510612009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340425335.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 40510612009 in words is "forty billion, five hundred ten million, six hundred twelve thousand, nine".