4218420548 has 12 divisors (see below), whose sum is σ = 7383331452. Its totient is φ = 2108897280.

The previous prime is 4218420541. The next prime is 4218420581. The reversal of 4218420548 is 8450248124.

It can be written as a sum of positive squares in 2 ways, for example, as 4057435204 + 160985344 = 63698^2 + 12688^2 .

It is not an unprimeable number, because it can be changed into a prime (4218420541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46493 + ... + 102948.

It is an arithmetic number, because the mean of its divisors is an integer number (615277621).

Almost surely, 2^4218420548 is an apocalyptic number.

It is an amenable number.

4218420548 is a deficient number, since it is larger than the sum of its proper divisors (3164910904).

4218420548 is a wasteful number, since it uses less digits than its factorization.

4218420548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156502 (or 156500 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 38.

The square root of 4218420548 is about 64949.3691116396. The cubic root of 4218420548 is about 1615.7839552250.

The spelling of 4218420548 in words is "four billion, two hundred eighteen million, four hundred twenty thousand, five hundred forty-eight".