40805878014719 has 4 divisors (see below), whose sum is σ = 40805932739640. Its totient is φ = 40805823289800.

The previous prime is 40805878014709. The next prime is 40805878014749. The reversal of 40805878014719 is 91741087850804.

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

It is a cyclic number.

It is not a de Polignac number, because 40805878014719 - 2⁴⁰ = 39706366386943 is a prime.

It is a super-2 number, since 2×40805878014719² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40805878014709) 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, 26228309 + ... + 27740510.

It is an arithmetic number, because the mean of its divisors is an integer number (10201483184910).

Almost surely, 2^{40805878014719} is an apocalyptic number.

40805878014719 is a deficient number, since it is larger than the sum of its proper divisors (54724921).

40805878014719 is an equidigital number, since it uses as much as digits as its factorization.

40805878014719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54724920.

The product of its (nonzero) digits is 18063360, while the sum is 62.

The spelling of 40805878014719 in words is "forty trillion, eight hundred five billion, eight hundred seventy-eight million, fourteen thousand, seven hundred nineteen".