40583326613 has 4 divisors (see below), whose sum is σ = 41139262668. Its totient is φ = 40027390560.

The previous prime is 40583326591. The next prime is 40583326627. The reversal of 40583326613 is 31662338504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27877979089 + 12705347524 = 166967^2 + 112718^2 .

It is a cyclic number.

It is not a de Polignac number, because 40583326613 - 2⁶ = 40583326549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40583326633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277967918 + ... + 277968063.

It is an arithmetic number, because the mean of its divisors is an integer number (10284815667).

Almost surely, 2^40583326613 is an apocalyptic number.

It is an amenable number.

40583326613 is a deficient number, since it is larger than the sum of its proper divisors (555936055).

40583326613 is an equidigital number, since it uses as much as digits as its factorization.

40583326613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555936054.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 40583326613 in words is "forty billion, five hundred eighty-three million, three hundred twenty-six thousand, six hundred thirteen".