39995226768 has 40 divisors (see below), whose sum is σ = 118081146688. Its totient is φ = 11427207552.

The previous prime is 39995226767. The next prime is 39995226773. The reversal of 39995226768 is 86762259993.

It is a junction number, because it is equal to n+sod(n) for n = 39995226699 and 39995226708.

It is not an unprimeable number, because it can be changed into a prime (39995226767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59516371 + ... + 59517042.

Almost surely, 2^39995226768 is an apocalyptic number.

It is an amenable number.

39995226768 is an abundant number, since it is smaller than the sum of its proper divisors (78085919920).

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

39995226768 is a wasteful number, since it uses less digits than its factorization.

39995226768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119033431 (or 119033425 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The spelling of 39995226768 in words is "thirty-nine billion, nine hundred ninety-five million, two hundred twenty-six thousand, seven hundred sixty-eight".