40011019 has 2 divisors, whose sum is σ = 40011020. Its totient is φ = 40011018.

The previous prime is 40011001. The next prime is 40011031. The reversal of 40011019 is 91011004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40011019 - 2¹³ = 40002827 is a prime.

It is a super-2 number, since 2×40011019² = 3201763282836722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40010993 and 40011011.

It is not a weakly prime, because it can be changed into another prime (40011089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005509 + 20005510.

It is an arithmetic number, because the mean of its divisors is an integer number (20005510).

Almost surely, 2^40011019 is an apocalyptic number.

40011019 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011019 is an equidigital number, since it uses as much as digits as its factorization.

40011019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 40011019 is about 6325.4263887899. The cubic root of 40011019 is about 342.0265901604.

The spelling of 40011019 in words is "forty million, eleven thousand, nineteen".