40947119 has 2 divisors, whose sum is σ = 40947120. Its totient is φ = 40947118.

The previous prime is 40947097. The next prime is 40947133. The reversal of 40947119 is 91174904.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40947119 is a prime.

It is a super-2 number, since 2×40947119² = 3353333108800322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2487725 and since 40947119 and 2487725 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40947149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20473559 + 20473560.

It is an arithmetic number, because the mean of its divisors is an integer number (20473560).

Almost surely, 2^40947119 is an apocalyptic number.

40947119 is a deficient number, since it is larger than the sum of its proper divisors (1).

40947119 is an equidigital number, since it uses as much as digits as its factorization.

40947119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 40947119 is about 6398.9935927457. The cubic root of 40947119 is about 344.6734121462.

The spelling of 40947119 in words is "forty million, nine hundred forty-seven thousand, one hundred nineteen".