3785447851340 has 48 divisors (see below), whose sum is σ = 8418257763552. Its totient is φ = 1424906075136.

The previous prime is 3785447851331. The next prime is 3785447851411. The reversal of 3785447851340 is 431587445873.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3785447851340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596974 + ... + 3181386.

It is an arithmetic number, because the mean of its divisors is an integer number (175380370074).

Almost surely, 2^{3785447851340} is an apocalyptic number.

It is an amenable number.

3785447851340 is an abundant number, since it is smaller than the sum of its proper divisors (4632809912212).

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

3785447851340 is a wasteful number, since it uses less digits than its factorization.

3785447851340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591466 (or 1591464 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 3785447851340 in words is "three trillion, seven hundred eighty-five billion, four hundred forty-seven million, eight hundred fifty-one thousand, three hundred forty".