40379671 has 2 divisors, whose sum is σ = 40379672. Its totient is φ = 40379670.

The previous prime is 40379663. The next prime is 40379707. The reversal of 40379671 is 17697304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40379671 - 2³ = 40379663 is a prime.

It is a Chen prime.

It is the 6355-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 40379671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40379611) by changing a digit.

It is a nontrivial repunit in base 6354.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20189835 + 20189836.

It is an arithmetic number, because the mean of its divisors is an integer number (20189836).

Almost surely, 2^40379671 is an apocalyptic number.

40379671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40379671 is an equidigital number, since it uses as much as digits as its factorization.

40379671 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40379671 is about 6354.5000590133. The cubic root of 40379671 is about 343.0738308883.

The spelling of 40379671 in words is "forty million, three hundred seventy-nine thousand, six hundred seventy-one".