40079371 has 2 divisors, whose sum is σ = 40079372. Its totient is φ = 40079370.

The previous prime is 40079339. The next prime is 40079437. The reversal of 40079371 is 17397004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40079371 - 2⁵ = 40079339 is a prime.

It is equal to p_2438167 and since 40079371 and 2438167 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40079321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039685 + 20039686.

It is an arithmetic number, because the mean of its divisors is an integer number (20039686).

Almost surely, 2^40079371 is an apocalyptic number.

40079371 is a deficient number, since it is larger than the sum of its proper divisors (1).

40079371 is an equidigital number, since it uses as much as digits as its factorization.

40079371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 40079371 is about 6330.8270391790. The cubic root of 40079371 is about 342.2212440511.

The spelling of 40079371 in words is "forty million, seventy-nine thousand, three hundred seventy-one".