4489386840 has 192 divisors, whose sum is σ = 15096594240. Its totient is φ = 1156239360.

The previous prime is 4489386821. The next prime is 4489386887. The reversal of 4489386840 is 486839844.

4489386840 is a `hidden beast` number, since 4 + 489 + 3 + 86 + 84 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1518804 + ... + 1521756.

It is an arithmetic number, because the mean of its divisors is an integer number (78628095).

Almost surely, 2^4489386840 is an apocalyptic number.

4489386840 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 4489386840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7548297120).

4489386840 is an abundant number, since it is smaller than the sum of its proper divisors (10607207400).

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

4489386840 is a wasteful number, since it uses less digits than its factorization.

4489386840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The square root of 4489386840 is about 67002.8868034803. The cubic root of 4489386840 is about 1649.6646811712.

The spelling of 4489386840 in words is "four billion, four hundred eighty-nine million, three hundred eighty-six thousand, eight hundred forty".