40745595309 has 8 divisors (see below), whose sum is σ = 54825877920. Its totient is φ = 26914521456.

The previous prime is 40745595217. The next prime is 40745595311. The reversal of 40745595309 is 90359554704.

40745595309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40745595309 - 2¹² = 40745591213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745590309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62301807 + ... + 62302460.

It is an arithmetic number, because the mean of its divisors is an integer number (6853234740).

Almost surely, 2^40745595309 is an apocalyptic number.

It is an amenable number.

40745595309 is a deficient number, since it is larger than the sum of its proper divisors (14080282611).

40745595309 is a wasteful number, since it uses less digits than its factorization.

40745595309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124604379.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 40745595309 in words is "forty billion, seven hundred forty-five million, five hundred ninety-five thousand, three hundred nine".