4851686271456 has 240 divisors, whose sum is σ = 15022688178960. Its totient is φ = 1531802327040.

The previous prime is 4851686271431. The next prime is 4851686271461. The reversal of 4851686271456 is 6541726861584.

4851686271456 is a `hidden beast` number, since 4 + 8 + 51 + 6 + 8 + 62 + 71 + 456 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4851686271393 and 4851686271402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 463960180 + ... + 463970636.

It is an arithmetic number, because the mean of its divisors is an integer number (62594534079).

Almost surely, 2^{4851686271456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4851686271456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7511344089480).

4851686271456 is an abundant number, since it is smaller than the sum of its proper divisors (10171001907504).

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

4851686271456 is a wasteful number, since it uses less digits than its factorization.

4851686271456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19919 (or 19902 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 4851686271456 in words is "four trillion, eight hundred fifty-one billion, six hundred eighty-six million, two hundred seventy-one thousand, four hundred fifty-six".