40803093509 has 4 divisors (see below), whose sum is σ = 40978214316. Its totient is φ = 40627972704.

The previous prime is 40803093491. The next prime is 40803093521. The reversal of 40803093509 is 90539030804.

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 25970289409 + 14832804100 = 161153^2 + 121790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40803093509 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 (40803053509) 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, 87560054 + ... + 87560519.

It is an arithmetic number, because the mean of its divisors is an integer number (10244553579).

Almost surely, 2^40803093509 is an apocalyptic number.

It is an amenable number.

40803093509 is a deficient number, since it is larger than the sum of its proper divisors (175120807).

40803093509 is a wasteful number, since it uses less digits than its factorization.

40803093509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175120806.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 40803093509 in words is "forty billion, eight hundred three million, ninety-three thousand, five hundred nine".