40462520009 has 4 divisors (see below), whose sum is σ = 40623725520. Its totient is φ = 40301314500.

The previous prime is 40462519987. The next prime is 40462520039. The reversal of 40462520009 is 90002526404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40462520009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40462520039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80602379 + ... + 80602880.

It is an arithmetic number, because the mean of its divisors is an integer number (10155931380).

Almost surely, 2^40462520009 is an apocalyptic number.

It is an amenable number.

40462520009 is a deficient number, since it is larger than the sum of its proper divisors (161205511).

40462520009 is a wasteful number, since it uses less digits than its factorization.

40462520009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161205510.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 40462520009 in words is "forty billion, four hundred sixty-two million, five hundred twenty thousand, nine".