39975682500 has 270 divisors, whose sum is σ = 136745010402. Its totient is φ = 9839232000.

The previous prime is 39975682499. The next prime is 39975682517. The reversal of 39975682500 is 528657993.

39975682500 is a `hidden beast` number, since 3 + 9 + 9 + 7 + 56 + 82 + 500 = 666.

It can be written as a sum of positive squares in 15 ways, for example, as 24657164676 + 15318517824 = 157026^2 + 123768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 3797244 + ... + 3807756.

Almost surely, 2^39975682500 is an apocalyptic number.

39975682500 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 39975682500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68372505201).

39975682500 is an abundant number, since it is smaller than the sum of its proper divisors (96769327902).

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

39975682500 is a wasteful number, since it uses less digits than its factorization.

39975682500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569 (or 10536 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 39975682500 in words is "thirty-nine billion, nine hundred seventy-five million, six hundred eighty-two thousand, five hundred".