39784968020 has 48 divisors (see below), whose sum is σ = 95524531200. Its totient is φ = 13634759424.

The previous prime is 39784967951. The next prime is 39784968121. The reversal of 39784968020 is 2086948793.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 276632 + ... + 395088.

It is an arithmetic number, because the mean of its divisors is an integer number (1990094400).

Almost surely, 2^39784968020 is an apocalyptic number.

It is an amenable number.

39784968020 is an abundant number, since it is smaller than the sum of its proper divisors (55739563180).

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

39784968020 is a wasteful number, since it uses less digits than its factorization.

39784968020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120872 (or 120870 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 39784968020 in words is "thirty-nine billion, seven hundred eighty-four million, nine hundred sixty-eight thousand, twenty".