40443333988 has 12 divisors (see below), whose sum is σ = 71437291632. Its totient is φ = 20032679240.

The previous prime is 40443333971. The next prime is 40443334003. The reversal of 40443333988 is 88933334404.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47246458 + ... + 47247313.

It is an arithmetic number, because the mean of its divisors is an integer number (5953107636).

Almost surely, 2^40443333988 is an apocalyptic number.

It is an amenable number.

40443333988 is a deficient number, since it is larger than the sum of its proper divisors (30993957644).

40443333988 is a wasteful number, since it uses less digits than its factorization.

40443333988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94493882 (or 94493880 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 40443333988 in words is "forty billion, four hundred forty-three million, three hundred thirty-three thousand, nine hundred eighty-eight".