4945428980 has 12 divisors (see below), whose sum is σ = 10385400900. Its totient is φ = 1978171584.

The previous prime is 4945428967. The next prime is 4945428997. The reversal of 4945428980 is 898245494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2900037904 + 2045391076 = 53852^2 + 45226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123635705 + ... + 123635744.

It is an arithmetic number, because the mean of its divisors is an integer number (865450075).

Almost surely, 2^4945428980 is an apocalyptic number.

It is an amenable number.

4945428980 is an abundant number, since it is smaller than the sum of its proper divisors (5439971920).

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

4945428980 is a wasteful number, since it uses less digits than its factorization.

4945428980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247271458 (or 247271456 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The square root of 4945428980 is about 70323.7440698375. The cubic root of 4945428980 is about 1703.7321672141.

The spelling of 4945428980 in words is "four billion, nine hundred forty-five million, four hundred twenty-eight thousand, nine hundred eighty".