3821305856860 has 48 divisors (see below), whose sum is σ = 8051870534400. Its totient is φ = 1523360784384.

The previous prime is 3821305856857. The next prime is 3821305856867. The reversal of 3821305856860 is 686585031283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821305856867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10556956 + ... + 10912924.

It is an arithmetic number, because the mean of its divisors is an integer number (167747302800).

Almost surely, 2^{3821305856860} is an apocalyptic number.

It is an amenable number.

3821305856860 is an abundant number, since it is smaller than the sum of its proper divisors (4230564677540).

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

3821305856860 is a wasteful number, since it uses less digits than its factorization.

3821305856860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357790 (or 357788 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 3821305856860 in words is "three trillion, eight hundred twenty-one billion, three hundred five million, eight hundred fifty-six thousand, eight hundred sixty".