40161419 has 2 divisors, whose sum is σ = 40161420. Its totient is φ = 40161418.

The previous prime is 40161403. The next prime is 40161469. The reversal of 40161419 is 91416104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40161419 - 2⁴ = 40161403 is a prime.

It is a super-3 number, since 3×40161419³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40161469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080709 + 20080710.

It is an arithmetic number, because the mean of its divisors is an integer number (20080710).

Almost surely, 2^40161419 is an apocalyptic number.

40161419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161419 is an equidigital number, since it uses as much as digits as its factorization.

40161419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 40161419 is about 6337.3037642202. The cubic root of 40161419 is about 342.4546095744.

The spelling of 40161419 in words is "forty million, one hundred sixty-one thousand, four hundred nineteen".