40233779188 has 12 divisors (see below), whose sum is σ = 70472610180. Its totient is φ = 20098747712.

The previous prime is 40233779171. The next prime is 40233779203. The reversal of 40233779188 is 88197733204.

It can be written as a sum of positive squares in 2 ways, for example, as 5174212624 + 35059566564 = 71932^2 + 187242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530481 + ... + 4539352.

It is an arithmetic number, because the mean of its divisors is an integer number (5872717515).

Almost surely, 2^40233779188 is an apocalyptic number.

It is an amenable number.

40233779188 is a deficient number, since it is larger than the sum of its proper divisors (30238830992).

40233779188 is a wasteful number, since it uses less digits than its factorization.

40233779188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070946 (or 9070944 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 40233779188 in words is "forty billion, two hundred thirty-three million, seven hundred seventy-nine thousand, one hundred eighty-eight".