40043119 has 2 divisors, whose sum is σ = 40043120. Its totient is φ = 40043118.

The previous prime is 40043117. The next prime is 40043141. The reversal of 40043119 is 91134004.

It is an a-pointer prime, because the next prime (40043141) can be obtained adding 40043119 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40043119 - 2¹ = 40043117 is a prime.

It is a super-2 number, since 2×40043119² = 3206902758496322, which contains 22 as substring.

Together with 40043117, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40043119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40043111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021559 + 20021560.

It is an arithmetic number, because the mean of its divisors is an integer number (20021560).

Almost surely, 2^40043119 is an apocalyptic number.

40043119 is a deficient number, since it is larger than the sum of its proper divisors (1).

40043119 is an equidigital number, since it uses as much as digits as its factorization.

40043119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 40043119 is about 6327.9632584268. The cubic root of 40043119 is about 342.1180326266.

The spelling of 40043119 in words is "forty million, forty-three thousand, one hundred nineteen".