40738067768 has 16 divisors (see below), whose sum is σ = 76395363000. Its totient is φ = 20365970976.

The previous prime is 40738067767. The next prime is 40738067771. The reversal of 40738067768 is 86776083704.

40738067768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40738067767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325838 + ... + 433181.

Almost surely, 2^40738067768 is an apocalyptic number.

It is an amenable number.

40738067768 is a deficient number, since it is larger than the sum of its proper divisors (35657295232).

40738067768 is a wasteful number, since it uses less digits than its factorization.

40738067768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765734 (or 765730 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 40738067768 in words is "forty billion, seven hundred thirty-eight million, sixty-seven thousand, seven hundred sixty-eight".