39982123560 has 128 divisors (see below), whose sum is σ = 122597867520. Its totient is φ = 10426582272.

The previous prime is 39982123547. The next prime is 39982123583. The reversal of 39982123560 is 6532128993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10076697 + ... + 10080663.

It is an arithmetic number, because the mean of its divisors is an integer number (957795840).

Almost surely, 2^39982123560 is an apocalyptic number.

39982123560 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 39982123560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61298933760).

39982123560 is an abundant number, since it is smaller than the sum of its proper divisors (82615743960).

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

39982123560 is a wasteful number, since it uses less digits than its factorization.

39982123560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 39982123560 in words is "thirty-nine billion, nine hundred eighty-two million, one hundred twenty-three thousand, five hundred sixty".