40371679 has 4 divisors (see below), whose sum is σ = 40500976. Its totient is φ = 40242384.

The previous prime is 40371673. The next prime is 40371689. The reversal of 40371679 is 97617304.

40371679 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 40371679 - 2³ = 40371671 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 (40371671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64179 + ... + 64804.

It is an arithmetic number, because the mean of its divisors is an integer number (10125244).

Almost surely, 2^40371679 is an apocalyptic number.

40371679 is a deficient number, since it is larger than the sum of its proper divisors (129297).

40371679 is a wasteful number, since it uses less digits than its factorization.

40371679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129296.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 40371679 is about 6353.8711822007. The cubic root of 40371679 is about 343.0511955134.

The spelling of 40371679 in words is "forty million, three hundred seventy-one thousand, six hundred seventy-nine".