32981779408 has 20 divisors (see below), whose sum is σ = 65963559808. Its totient is φ = 15958925280.

The previous prime is 32981779387. The next prime is 32981779417. The reversal of 32981779408 is 80497718923.

32981779408 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33247266 + ... + 33248257.

Almost surely, 2^32981779408 is an apocalyptic number.

It is an amenable number.

32981779408 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32981779408 is a wasteful number, since it uses less digits than its factorization.

32981779408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66495562 (or 66495556 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 32981779408 in words is "thirty-two billion, nine hundred eighty-one million, seven hundred seventy-nine thousand, four hundred eight".