40840223386859 has 4 divisors (see below), whose sum is σ = 43981779032016. Its totient is φ = 37698667741704.

The previous prime is 40840223386813. The next prime is 40840223386883. The reversal of 40840223386859 is 95868332204804.

It is a happy number.

40840223386859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40840223386859 is a prime.

It is a super-3 number, since 3×40840223386859³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40840223386889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570777822559 + ... + 1570777822584.

It is an arithmetic number, because the mean of its divisors is an integer number (10995444758004).

Almost surely, 2^{40840223386859} is an apocalyptic number.

40840223386859 is a deficient number, since it is larger than the sum of its proper divisors (3141555645157).

40840223386859 is a wasteful number, since it uses less digits than its factorization.

40840223386859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141555645156.

The product of its (nonzero) digits is 79626240, while the sum is 62.

The spelling of 40840223386859 in words is "forty trillion, eight hundred forty billion, two hundred twenty-three million, three hundred eighty-six thousand, eight hundred fifty-nine".