40416919 has 2 divisors, whose sum is σ = 40416920. Its totient is φ = 40416918.

The previous prime is 40416907. The next prime is 40416931. The reversal of 40416919 is 91961404.

It is a balanced prime because it is at equal distance from previous prime (40416907) and next prime (40416931).

It is a cyclic number.

It is not a de Polignac number, because 40416919 - 2¹⁵ = 40384151 is a prime.

It is a super-2 number, since 2×40416919² = 3267054682905122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40416979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20208459 + 20208460.

It is an arithmetic number, because the mean of its divisors is an integer number (20208460).

Almost surely, 2^40416919 is an apocalyptic number.

40416919 is a deficient number, since it is larger than the sum of its proper divisors (1).

40416919 is an equidigital number, since it uses as much as digits as its factorization.

40416919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 40416919 is about 6357.4302198294. The cubic root of 40416919 is about 343.1792873098.

The spelling of 40416919 in words is "forty million, four hundred sixteen thousand, nine hundred nineteen".