40036019 has 2 divisors, whose sum is σ = 40036020. Its totient is φ = 40036018.

The previous prime is 40035991. The next prime is 40036081. The reversal of 40036019 is 91063004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40036019 is a prime.

It is a super-2 number, since 2×40036019² = 3205765634736722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40035985 and 40036003.

It is not a weakly prime, because it can be changed into another prime (40056019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018009 + 20018010.

It is an arithmetic number, because the mean of its divisors is an integer number (20018010).

Almost surely, 2^40036019 is an apocalyptic number.

40036019 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036019 is an equidigital number, since it uses as much as digits as its factorization.

40036019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40036019 is about 6327.4022315639. The cubic root of 40036019 is about 342.0978112447.

The spelling of 40036019 in words is "forty million, thirty-six thousand, nineteen".