40858541522 has 18 divisors (see below), whose sum is σ = 63005317893. Its totient is φ = 19871982792.

The previous prime is 40858541509. The next prime is 40858541533. The reversal of 40858541522 is 22514585804.

It can be written as a sum of positive squares in 2 ways, for example, as 32964396721 + 7894144801 = 181561^2 + 88849^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=142931.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10574963 + ... + 10578825.

Almost surely, 2^40858541522 is an apocalyptic number.

40858541522 is a deficient number, since it is larger than the sum of its proper divisors (22146776371).

40858541522 is an frugal number, since it uses more digits than its factorization.

40858541522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 44.

The spelling of 40858541522 in words is "forty billion, eight hundred fifty-eight million, five hundred forty-one thousand, five hundred twenty-two".