40373421671 has 8 divisors (see below), whose sum is σ = 45464498688. Its totient is φ = 35519139000.

The previous prime is 40373421659. The next prime is 40373421677. The reversal of 40373421671 is 17612437304.

It is a happy number.

40373421671 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 40373421671 - 2⁶ = 40373421607 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 (40373421677) 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, 59198225 + ... + 59198906.

It is an arithmetic number, because the mean of its divisors is an integer number (5683062336).

Almost surely, 2^40373421671 is an apocalyptic number.

40373421671 is a deficient number, since it is larger than the sum of its proper divisors (5091077017).

40373421671 is a wasteful number, since it uses less digits than its factorization.

40373421671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118397173.

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 40373421671 its reverse (17612437304), we get a palindrome (57985858975).

The spelling of 40373421671 in words is "forty billion, three hundred seventy-three million, four hundred twenty-one thousand, six hundred seventy-one".