39995226680 has 16 divisors (see below), whose sum is σ = 89989260120. Its totient is φ = 15998090656.

The previous prime is 39995226679. The next prime is 39995226767. The reversal of 39995226680 is 8662259993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499940294 + ... + 499940373.

Almost surely, 2^39995226680 is an apocalyptic number.

It is an amenable number.

39995226680 is an abundant number, since it is smaller than the sum of its proper divisors (49994033440).

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

39995226680 is a wasteful number, since it uses less digits than its factorization.

39995226680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999880678 (or 999880674 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 39995226680 in words is "thirty-nine billion, nine hundred ninety-five million, two hundred twenty-six thousand, six hundred eighty".