4781458220 has 144 divisors (see below), whose sum is σ = 12837968640. Its totient is φ = 1479139200.

The previous prime is 4781458219. The next prime is 4781458277. The reversal of 4781458220 is 228541874.

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, 1496825 + ... + 1500015.

It is an arithmetic number, because the mean of its divisors is an integer number (89152560).

Almost surely, 2^4781458220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4781458220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6418984320).

4781458220 is an abundant number, since it is smaller than the sum of its proper divisors (8056510420).

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

4781458220 is a wasteful number, since it uses less digits than its factorization.

4781458220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 4781458220 is about 69148.0890553022. The cubic root of 4781458220 is about 1684.6904801777.

The spelling of 4781458220 in words is "four billion, seven hundred eighty-one million, four hundred fifty-eight thousand, two hundred twenty".