40901309609 has 4 divisors (see below), whose sum is σ = 40902415104. Its totient is φ = 40900204116.

The previous prime is 40901309599. The next prime is 40901309611. The reversal of 40901309609 is 90690310904.

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 40901309609 - 2⁸ = 40901309353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40901305609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495257 + ... + 571910.

It is an arithmetic number, because the mean of its divisors is an integer number (10225603776).

Almost surely, 2^40901309609 is an apocalyptic number.

It is an amenable number.

40901309609 is a deficient number, since it is larger than the sum of its proper divisors (1105495).

40901309609 is a wasteful number, since it uses less digits than its factorization.

40901309609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105494.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 40901309609 in words is "forty billion, nine hundred one million, three hundred nine thousand, six hundred nine".