40376666219 has 2 divisors, whose sum is σ = 40376666220. Its totient is φ = 40376666218.

The previous prime is 40376666179. The next prime is 40376666233. The reversal of 40376666219 is 91266667304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40376666219 - 2⁸ = 40376665963 is a prime.

It is a super-2 number, since 2×40376666219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40376666249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20188333109 + 20188333110.

It is an arithmetic number, because the mean of its divisors is an integer number (20188333110).

Almost surely, 2^40376666219 is an apocalyptic number.

40376666219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40376666219 is an equidigital number, since it uses as much as digits as its factorization.

40376666219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 40376666219 in words is "forty billion, three hundred seventy-six million, six hundred sixty-six thousand, two hundred nineteen".