39880676980 has 12 divisors (see below), whose sum is σ = 83749421700. Its totient is φ = 15952270784.

The previous prime is 39880676933. The next prime is 39880676987. The reversal of 39880676980 is 8967608893.

It can be written as a sum of positive squares in 2 ways, for example, as 21878551396 + 18002125584 = 147914^2 + 134172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39880676987) 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, 997016905 + ... + 997016944.

It is an arithmetic number, because the mean of its divisors is an integer number (6979118475).

Almost surely, 2^39880676980 is an apocalyptic number.

It is an amenable number.

39880676980 is an abundant number, since it is smaller than the sum of its proper divisors (43868744720).

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

39880676980 is a wasteful number, since it uses less digits than its factorization.

39880676980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994033858 (or 1994033856 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 39880676980 in words is "thirty-nine billion, eight hundred eighty million, six hundred seventy-six thousand, nine hundred eighty".