4380638388 has 48 divisors (see below), whose sum is σ = 11687217024. Its totient is φ = 1251020160.

The previous prime is 4380638363. The next prime is 4380638393. The reversal of 4380638388 is 8838360834.

It is a self number, because there is not a number n which added to its sum of digits gives 4380638388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185506 + ... + 207782.

It is an arithmetic number, because the mean of its divisors is an integer number (243483688).

Almost surely, 2^4380638388 is an apocalyptic number.

It is an amenable number.

4380638388 is an abundant number, since it is smaller than the sum of its proper divisors (7306578636).

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

4380638388 is a wasteful number, since it uses less digits than its factorization.

4380638388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24632 (or 24630 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The square root of 4380638388 is about 66186.3912598353. The cubic root of 4380638388 is about 1636.2354645614.

The spelling of 4380638388 in words is "four billion, three hundred eighty million, six hundred thirty-eight thousand, three hundred eighty-eight".