40338047671 has 4 divisors (see below), whose sum is σ = 40940108152. Its totient is φ = 39735987192.

The previous prime is 40338047647. The next prime is 40338047677. The reversal of 40338047671 is 17674083304.

40338047671 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 not a de Polignac number, because 40338047671 - 2⁵ = 40338047639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40338047677) 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, 301030140 + ... + 301030273.

It is an arithmetic number, because the mean of its divisors is an integer number (10235027038).

Almost surely, 2^40338047671 is an apocalyptic number.

40338047671 is a deficient number, since it is larger than the sum of its proper divisors (602060481).

40338047671 is an equidigital number, since it uses as much as digits as its factorization.

40338047671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602060480.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 40338047671 in words is "forty billion, three hundred thirty-eight million, forty-seven thousand, six hundred seventy-one".