40233199778 has 6 divisors (see below), whose sum is σ = 60350225169. Its totient is φ = 20116458056.

The previous prime is 40233199771. The next prime is 40233199829. The reversal of 40233199778 is 87799133204.

It can be written as a sum of positive squares in 2 ways, for example, as 30700997089 + 9532202689 = 175217^2 + 97633^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141833.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40233199771) 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 in 2 ways as a sum of consecutive naturals, for example, 212750 + ... + 354582.

Almost surely, 2^40233199778 is an apocalyptic number.

40233199778 is a deficient number, since it is larger than the sum of its proper divisors (20117025391).

40233199778 is an frugal number, since it uses more digits than its factorization.

40233199778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283668 (or 141835 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 40233199778 in words is "forty billion, two hundred thirty-three million, one hundred ninety-nine thousand, seven hundred seventy-eight".