4280126820 has 48 divisors (see below), whose sum is σ = 12397613760. Its totient is φ = 1102009216.

The previous prime is 4280126813. The next prime is 4280126821. The reversal of 4280126820 is 286210824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4280126821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228182 + ... + 1231661.

It is an arithmetic number, because the mean of its divisors is an integer number (258283620).

Almost surely, 2^4280126820 is an apocalyptic number.

It is an amenable number.

4280126820 is an abundant number, since it is smaller than the sum of its proper divisors (8117486940).

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

4280126820 is a wasteful number, since it uses less digits than its factorization.

4280126820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459884 (or 2459882 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 4280126820 is about 65422.6781781364. The cubic root of 4280126820 is about 1623.6243119944.

The spelling of 4280126820 in words is "four billion, two hundred eighty million, one hundred twenty-six thousand, eight hundred twenty".