4857945840 has 800 divisors, whose sum is σ = 20611895040. Its totient is φ = 1045094400.

The previous prime is 4857945811. The next prime is 4857945853. The reversal of 4857945840 is 485497584.

It is a happy number.

4857945840 is a `hidden beast` number, since 4 + 8 + 57 + 9 + 4 + 584 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23023335 + ... + 23023545.

Almost surely, 2^4857945840 is an apocalyptic number.

4857945840 is a gapful number since it is divisible by the number (40) 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 4857945840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10305947520).

4857945840 is an abundant number, since it is smaller than the sum of its proper divisors (15753949200).

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

4857945840 is a wasteful number, since it uses less digits than its factorization.

4857945840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The square root of 4857945840 is about 69698.9658459866. The cubic root of 4857945840 is about 1693.6261716184.

The spelling of 4857945840 in words is "four billion, eight hundred fifty-seven million, nine hundred forty-five thousand, eight hundred forty".