40216464149 has 2 divisors, whose sum is σ = 40216464150. Its totient is φ = 40216464148.

The previous prime is 40216464089. The next prime is 40216464191. The reversal of 40216464149 is 94146461204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34850169124 + 5366295025 = 186682^2 + 73255^2 .

It is a cyclic number.

It is not a de Polignac number, because 40216464149 - 2¹⁶ = 40216398613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40216464199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20108232074 + 20108232075.

It is an arithmetic number, because the mean of its divisors is an integer number (20108232075).

Almost surely, 2^40216464149 is an apocalyptic number.

It is an amenable number.

40216464149 is a deficient number, since it is larger than the sum of its proper divisors (1).

40216464149 is an equidigital number, since it uses as much as digits as its factorization.

40216464149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 40216464149 in words is "forty billion, two hundred sixteen million, four hundred sixty-four thousand, one hundred forty-nine".