40105496809 has 8 divisors (see below), whose sum is σ = 46952777088. Its totient is φ = 33537697440.

The previous prime is 40105496777. The next prime is 40105496927. The reversal of 40105496809 is 90869450104.

It is a happy number.

40105496809 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 a cyclic number.

It is not a de Polignac number, because 40105496809 - 2⁵ = 40105496777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40105493809) 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, 69869917 + ... + 69870490.

It is an arithmetic number, because the mean of its divisors is an integer number (5869097136).

Almost surely, 2^40105496809 is an apocalyptic number.

It is an amenable number.

40105496809 is a deficient number, since it is larger than the sum of its proper divisors (6847280279).

40105496809 is a wasteful number, since it uses less digits than its factorization.

40105496809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139740455.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 40105496809 in words is "forty billion, one hundred five million, four hundred ninety-six thousand, eight hundred nine".