39987980032 has 576 divisors, whose sum is σ = 116039024640. Its totient is φ = 13237862400.

The previous prime is 39987979991. The next prime is 39987980047. The reversal of 39987980032 is 23008978993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209361057 + ... + 209361247.

It is an arithmetic number, because the mean of its divisors is an integer number (201456640).

Almost surely, 2^39987980032 is an apocalyptic number.

39987980032 is a gapful number since it is divisible by the number (32) 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 39987980032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58019512320).

39987980032 is an abundant number, since it is smaller than the sum of its proper divisors (76051044608).

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

39987980032 is a wasteful number, since it uses less digits than its factorization.

39987980032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 39987980032 in words is "thirty-nine billion, nine hundred eighty-seven million, nine hundred eighty thousand, thirty-two".