39506020416 has 168 divisors, whose sum is σ = 114094772064. Its totient is φ = 13069393920.

The previous prime is 39506020399. The next prime is 39506020447. The reversal of 39506020416 is 61402060593.

It is a happy number.

39506020416 is a `hidden beast` number, since 3 + 9 + 5 + 0 + 602 + 0 + 41 + 6 = 666.

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

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 23 ways as a sum of consecutive naturals, for example, 67301275 + ... + 67301861.

It is an arithmetic number, because the mean of its divisors is an integer number (679135548).

Almost surely, 2^39506020416 is an apocalyptic number.

39506020416 is a gapful number since it is divisible by the number (36) 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 39506020416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57047386032).

39506020416 is an abundant number, since it is smaller than the sum of its proper divisors (74588751648).

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

39506020416 is a wasteful number, since it uses less digits than its factorization.

39506020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1276 counting only the distinct ones).

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

The spelling of 39506020416 in words is "thirty-nine billion, five hundred six million, twenty thousand, four hundred sixteen".