4810661780 has 24 divisors (see below), whose sum is σ = 10110993480. Its totient is φ = 1922625920.

The previous prime is 4810661773. The next prime is 4810661783. The reversal of 4810661780 is 871660184.

It can be written as a sum of positive squares in 4 ways, for example, as 1774431376 + 3036230404 = 42124^2 + 55102^2 .

It is a super-3 number, since 3×4810661780³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4810661783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78215 + ... + 125454.

It is an arithmetic number, because the mean of its divisors is an integer number (421291395).

Almost surely, 2^4810661780 is an apocalyptic number.

It is an amenable number.

4810661780 is an abundant number, since it is smaller than the sum of its proper divisors (5300331700).

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

4810661780 is a wasteful number, since it uses less digits than its factorization.

4810661780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204859 (or 204857 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 4810661780 is about 69358.9343920450. The cubic root of 4810661780 is about 1688.1133644468.

The spelling of 4810661780 in words is "four billion, eight hundred ten million, six hundred sixty-one thousand, seven hundred eighty".