39503683472 has 80 divisors (see below), whose sum is σ = 85118510400. Its totient is φ = 17609771520.

The previous prime is 39503683469. The next prime is 39503683481. The reversal of 39503683472 is 27438630593.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39503683472.

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 15 ways as a sum of consecutive naturals, for example, 2693054 + ... + 2707682.

It is an arithmetic number, because the mean of its divisors is an integer number (1063981380).

Almost surely, 2^39503683472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39503683472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42559255200).

39503683472 is an abundant number, since it is smaller than the sum of its proper divisors (45614826928).

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

39503683472 is a wasteful number, since it uses less digits than its factorization.

39503683472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944 (or 14938 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 39503683472 in words is "thirty-nine billion, five hundred three million, six hundred eighty-three thousand, four hundred seventy-two".