40889393796 has 12 divisors (see below), whose sum is σ = 95408585552. Its totient is φ = 13629797928.

The previous prime is 40889393789. The next prime is 40889393893. The reversal of 40889393796 is 69739398804.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703724730 + ... + 1703724753.

Almost surely, 2^40889393796 is an apocalyptic number.

It is an amenable number.

40889393796 is an abundant number, since it is smaller than the sum of its proper divisors (54519191756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40889393796 is a wasteful number, since it uses less digits than its factorization.

40889393796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407449490 (or 3407449488 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 40889393796 in words is "forty billion, eight hundred eighty-nine million, three hundred ninety-three thousand, seven hundred ninety-six".