3785505438740 has 12 divisors (see below), whose sum is σ = 7949561421396. Its totient is φ = 1514202175488.

The previous prime is 3785505438713. The next prime is 3785505438763. The reversal of 3785505438740 is 478345055873.

3785505438740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2135210647696 + 1650294791044 = 1461236^2 + 1284638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3785505438740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94637635949 + ... + 94637635988.

It is an arithmetic number, because the mean of its divisors is an integer number (662463451783).

Almost surely, 2^{3785505438740} is an apocalyptic number.

It is an amenable number.

3785505438740 is an abundant number, since it is smaller than the sum of its proper divisors (4164055982656).

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

3785505438740 is a wasteful number, since it uses less digits than its factorization.

3785505438740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189275271946 (or 189275271944 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 3785505438740 in words is "three trillion, seven hundred eighty-five billion, five hundred five million, four hundred thirty-eight thousand, seven hundred forty".