3855662650 has 24 divisors (see below), whose sum is σ = 8196037920. Its totient is φ = 1321941360.

The previous prime is 3855662623. The next prime is 3855662659. The reversal of 3855662650 is 562665583.

It is a super-2 number, since 2×3855662650² = 29732268941210045000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3855662650.

It is not an unprimeable number, because it can be changed into a prime (3855662659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5507740 + ... + 5508439.

It is an arithmetic number, because the mean of its divisors is an integer number (341501580).

Almost surely, 2^3855662650 is an apocalyptic number.

3855662650 is an abundant number, since it is smaller than the sum of its proper divisors (4340375270).

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

3855662650 is a wasteful number, since it uses less digits than its factorization.

3855662650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016198 (or 11016193 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The square root of 3855662650 is about 62093.9823976527. The cubic root of 3855662650 is about 1568.0732378176.

The spelling of 3855662650 in words is "three billion, eight hundred fifty-five million, six hundred sixty-two thousand, six hundred fifty".