40475521513 has 4 divisors (see below), whose sum is σ = 46257738880. Its totient is φ = 34693304148.

The previous prime is 40475521507. The next prime is 40475521517. The reversal of 40475521513 is 31512557404.

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 not a de Polignac number, because 40475521513 - 2¹⁷ = 40475390441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40475521517) 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, 2891108673 + ... + 2891108686.

It is an arithmetic number, because the mean of its divisors is an integer number (11564434720).

Almost surely, 2^40475521513 is an apocalyptic number.

It is an amenable number.

40475521513 is a deficient number, since it is larger than the sum of its proper divisors (5782217367).

40475521513 is an equidigital number, since it uses as much as digits as its factorization.

40475521513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782217366.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 40475521513 in words is "forty billion, four hundred seventy-five million, five hundred twenty-one thousand, five hundred thirteen".