3851542656 has 256 divisors, whose sum is σ = 12457872000. Its totient is φ = 1164201984.

The previous prime is 3851542633. The next prime is 3851542663. The reversal of 3851542656 is 6562451583.

3851542656 is a `hidden beast` number, since 3 + 8 + 51 + 542 + 6 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2650026 + ... + 2651478.

Almost surely, 2^3851542656 is an apocalyptic number.

3851542656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3851542656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6228936000).

3851542656 is an abundant number, since it is smaller than the sum of its proper divisors (8606329344).

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

3851542656 is a wasteful number, since it uses less digits than its factorization.

3851542656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1530 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 3851542656 is about 62060.7980612560. The cubic root of 3851542656 is about 1567.5145137275.

The spelling of 3851542656 in words is "three billion, eight hundred fifty-one million, five hundred forty-two thousand, six hundred fifty-six".