4647384840 has 256 divisors, whose sum is σ = 16529080320. Its totient is φ = 1022929920.

The previous prime is 4647384817. The next prime is 4647384901. The reversal of 4647384840 is 484837464.

It is a self number, because there is not a number n which added to its sum of digits gives 4647384840.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8254399 + ... + 8254961.

It is an arithmetic number, because the mean of its divisors is an integer number (64566720).

Almost surely, 2^4647384840 is an apocalyptic number.

4647384840 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 4647384840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8264540160).

4647384840 is an abundant number, since it is smaller than the sum of its proper divisors (11881695480).

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

4647384840 is a wasteful number, since it uses less digits than its factorization.

4647384840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The square root of 4647384840 is about 68171.7305046601. The cubic root of 4647384840 is about 1668.7945739612.

The spelling of 4647384840 in words is "four billion, six hundred forty-seven million, three hundred eighty-four thousand, eight hundred forty".