4816391380 has 48 divisors (see below), whose sum is σ = 10998859536. Its totient is φ = 1764218880.

The previous prime is 4816391267. The next prime is 4816391407. The reversal of 4816391380 is 831936184.

It can be written as a sum of positive squares in 8 ways, for example, as 1081225924 + 3735165456 = 32882^2 + 61116^2 .

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, 178851 + ... + 204010.

It is an arithmetic number, because the mean of its divisors is an integer number (229142907).

Almost surely, 2^4816391380 is an apocalyptic number.

It is an amenable number.

4816391380 is an abundant number, since it is smaller than the sum of its proper divisors (6182468156).

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

4816391380 is a wasteful number, since it uses less digits than its factorization.

4816391380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382924 (or 382922 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 4816391380 is about 69400.2260803234. The cubic root of 4816391380 is about 1688.7832914670.

The spelling of 4816391380 in words is "four billion, eight hundred sixteen million, three hundred ninety-one thousand, three hundred eighty".