39528130320 has 240 divisors, whose sum is σ = 153634690560. Its totient is φ = 8920544256.

The previous prime is 39528130307. The next prime is 39528130331. The reversal of 39528130320 is 2303182593.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348522 + ... + 447798.

It is an arithmetic number, because the mean of its divisors is an integer number (640144544).

Almost surely, 2^39528130320 is an apocalyptic number.

39528130320 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 39528130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76817345280).

39528130320 is an abundant number, since it is smaller than the sum of its proper divisors (114106560240).

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

39528130320 is a wasteful number, since it uses less digits than its factorization.

39528130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99382 (or 99373 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 39528130320 in words is "thirty-nine billion, five hundred twenty-eight million, one hundred thirty thousand, three hundred twenty".