4218558125 has 40 divisors (see below), whose sum is σ = 5604456000. Its totient is φ = 3165264000.

The previous prime is 4218558103. The next prime is 4218558137. The reversal of 4218558125 is 5218558124.

It is not a de Polignac number, because 4218558125 - 2⁶ = 4218558061 is a prime.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1221401 + ... + 1224849.

It is an arithmetic number, because the mean of its divisors is an integer number (140111400).

Almost surely, 2^4218558125 is an apocalyptic number.

It is an amenable number.

4218558125 is a deficient number, since it is larger than the sum of its proper divisors (1385897875).

4218558125 is a wasteful number, since it uses less digits than its factorization.

4218558125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591 (or 3576 counting only the distinct ones).

The product of its digits is 128000, while the sum is 41.

The square root of 4218558125 is about 64950.4282125992. The cubic root of 4218558125 is about 1615.8015204322.

Subtracting 4218558125 from its reverse (5218558124), we obtain a palindrome (999999999).

The spelling of 4218558125 in words is "four billion, two hundred eighteen million, five hundred fifty-eight thousand, one hundred twenty-five".