4863855640 has 96 divisors (see below), whose sum is σ = 13169530800. Its totient is φ = 1610085120.

The previous prime is 4863855637. The next prime is 4863855691. The reversal of 4863855640 is 465583684.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14055 + ... + 99625.

Almost surely, 2^4863855640 is an apocalyptic number.

4863855640 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 4863855640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6584765400).

4863855640 is an abundant number, since it is smaller than the sum of its proper divisors (8305675160).

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

4863855640 is a wasteful number, since it uses less digits than its factorization.

4863855640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85625 (or 85614 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The square root of 4863855640 is about 69741.3481372421. The cubic root of 4863855640 is about 1694.3126713790.

The spelling of 4863855640 in words is "four billion, eight hundred sixty-three million, eight hundred fifty-five thousand, six hundred forty".