40330071861 has 4 divisors (see below), whose sum is σ = 53773429152. Its totient is φ = 26886714572.

The previous prime is 40330071797. The next prime is 40330071863. The reversal of 40330071861 is 16817003304.

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 40330071861 - 2⁶ = 40330071797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40330071863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721678641 + ... + 6721678646.

It is an arithmetic number, because the mean of its divisors is an integer number (13443357288).

Almost surely, 2^40330071861 is an apocalyptic number.

It is an amenable number.

40330071861 is a deficient number, since it is larger than the sum of its proper divisors (13443357291).

40330071861 is a wasteful number, since it uses less digits than its factorization.

40330071861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13443357290.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 40330071861 in words is "forty billion, three hundred thirty million, seventy-one thousand, eight hundred sixty-one".