39713899680 has 576 divisors, whose sum is σ = 171327356928. Its totient is φ = 8151736320.

The previous prime is 39713899669. The next prime is 39713899691. The reversal of 39713899680 is 8699831793.

39713899680 is a `hidden beast` number, since 3 + 97 + 1 + 389 + 96 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (39713899669) and next prime (39713899691).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4844385 + ... + 4852575.

It is an arithmetic number, because the mean of its divisors is an integer number (297443328).

Almost surely, 2^39713899680 is an apocalyptic number.

39713899680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39713899680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85663678464).

39713899680 is an abundant number, since it is smaller than the sum of its proper divisors (131613457248).

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

39713899680 is a wasteful number, since it uses less digits than its factorization.

39713899680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269 (or 8258 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 39713899680 in words is "thirty-nine billion, seven hundred thirteen million, eight hundred ninety-nine thousand, six hundred eighty".