3780441845 has 8 divisors (see below), whose sum is σ = 4562753976. Its totient is φ = 3006870976.

The previous prime is 3780441829. The next prime is 3780441869. The reversal of 3780441845 is 5481440873.

It can be written as a sum of positive squares in 4 ways, for example, as 2305344196 + 1475097649 = 48014^2 + 38407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3780441845 - 2⁴ = 3780441829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3780441796 and 3780441805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184362 + ... + 2186091.

It is an arithmetic number, because the mean of its divisors is an integer number (570344247).

Almost surely, 2^3780441845 is an apocalyptic number.

It is an amenable number.

3780441845 is a deficient number, since it is larger than the sum of its proper divisors (782312131).

3780441845 is a wasteful number, since it uses less digits than its factorization.

3780441845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370631.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 3780441845 is about 61485.2977954893. The cubic root of 3780441845 is about 1557.8089233640.

The spelling of 3780441845 in words is "three billion, seven hundred eighty million, four hundred forty-one thousand, eight hundred forty-five".