40474219 has 2 divisors, whose sum is σ = 40474220. Its totient is φ = 40474218.

The previous prime is 40474201. The next prime is 40474253. The reversal of 40474219 is 91247404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40474219 is a prime.

It is a super-2 number, since 2×40474219² = 3276324807319922, which contains 22 as substring.

It is equal to p_2460775 and since 40474219 and 2460775 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40474279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20237109 + 20237110.

It is an arithmetic number, because the mean of its divisors is an integer number (20237110).

Almost surely, 2^40474219 is an apocalyptic number.

40474219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40474219 is an equidigital number, since it uses as much as digits as its factorization.

40474219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40474219 is about 6361.9351615684. The cubic root of 40474219 is about 343.3413884643.

The spelling of 40474219 in words is "forty million, four hundred seventy-four thousand, two hundred nineteen".