4125162820 has 24 divisors (see below), whose sum is σ = 8804858328. Its totient is φ = 1623014400.

The previous prime is 4125162803. The next prime is 4125162887. The reversal of 4125162820 is 282615214.

It can be written as a sum of positive squares in 4 ways, for example, as 4293184 + 4120869636 = 2072^2 + 64194^2 .

It is a super-3 number, since 3×4125162820³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689421 + ... + 1691860.

It is an arithmetic number, because the mean of its divisors is an integer number (366869097).

Almost surely, 2^4125162820 is an apocalyptic number.

It is an amenable number.

4125162820 is an abundant number, since it is smaller than the sum of its proper divisors (4679695508).

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

4125162820 is a wasteful number, since it uses less digits than its factorization.

4125162820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381351 (or 3381349 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 4125162820 is about 64227.4304327987. The cubic root of 4125162820 is about 1603.7882657603.

The spelling of 4125162820 in words is "four billion, one hundred twenty-five million, one hundred sixty-two thousand, eight hundred twenty".