4858778409220 has 48 divisors (see below), whose sum is σ = 10804069443888. Its totient is φ = 1829113896960.

The previous prime is 4858778409179. The next prime is 4858778409253. The reversal of 4858778409220 is 229048778584.

It can be written as a sum of positive squares in 8 ways, for example, as 33895684 + 4858744513536 = 5822^2 + 2204256^2 .

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, 8621614 + ... + 9167866.

It is an arithmetic number, because the mean of its divisors is an integer number (225084780081).

Almost surely, 2^{4858778409220} is an apocalyptic number.

It is an amenable number.

4858778409220 is an abundant number, since it is smaller than the sum of its proper divisors (5945291034668).

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

4858778409220 is a wasteful number, since it uses less digits than its factorization.

4858778409220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572440 (or 572438 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 4858778409220 in words is "four trillion, eight hundred fifty-eight billion, seven hundred seventy-eight million, four hundred nine thousand, two hundred twenty".