40820119 has 2 divisors, whose sum is σ = 40820120. Its totient is φ = 40820118.

The previous prime is 40820107. The next prime is 40820141. The reversal of 40820119 is 91102804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40820119 is a prime.

It is a super-2 number, since 2×40820119² = 3332564230348322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40820093 and 40820102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40820159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20410059 + 20410060.

It is an arithmetic number, because the mean of its divisors is an integer number (20410060).

Almost surely, 2^40820119 is an apocalyptic number.

40820119 is a deficient number, since it is larger than the sum of its proper divisors (1).

40820119 is an equidigital number, since it uses as much as digits as its factorization.

40820119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 40820119 is about 6389.0624507826. The cubic root of 40820119 is about 344.3167011983.

The spelling of 40820119 in words is "forty million, eight hundred twenty thousand, one hundred nineteen".