3806845647760 has 40 divisors (see below), whose sum is σ = 8851346479800. Its totient is φ = 1522664220672.

The previous prime is 3806845647653. The next prime is 3806845647799. The reversal of 3806845647760 is 677465486083.

It can be written as a sum of positive squares in 4 ways, for example, as 15756274576 + 3791089373184 = 125524^2 + 1947072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3806845647692 and 3806845647701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513766 + ... + 2806714.

It is an arithmetic number, because the mean of its divisors is an integer number (221283661995).

Almost surely, 2^{3806845647760} is an apocalyptic number.

It is an amenable number.

3806845647760 is an abundant number, since it is smaller than the sum of its proper divisors (5044500832040).

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

3806845647760 is a wasteful number, since it uses less digits than its factorization.

3806845647760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313715 (or 2313709 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 64.

The spelling of 3806845647760 in words is "three trillion, eight hundred six billion, eight hundred forty-five million, six hundred forty-seven thousand, seven hundred sixty".