4418021125 has 32 divisors (see below), whose sum is σ = 6575362560. Its totient is φ = 2897769600.

The previous prime is 4418021123. The next prime is 4418021137. The reversal of 4418021125 is 5211208144.

4418021125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4418021125 - 2¹ = 4418021123 is a prime.

It is a super-3 number, since 3×4418021125³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4418021093 and 4418021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4418021123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89640 + ... + 129889.

It is an arithmetic number, because the mean of its divisors is an integer number (205480080).

Almost surely, 2^4418021125 is an apocalyptic number.

It is an amenable number.

4418021125 is a deficient number, since it is larger than the sum of its proper divisors (2157341435).

4418021125 is a wasteful number, since it uses less digits than its factorization.

4418021125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219574 (or 219564 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 4418021125 is about 66468.1963423110. The cubic root of 4418021125 is about 1640.8766289180.

Adding to 4418021125 its reverse (5211208144), we get a palindrome (9629229269).

It can be divided in two parts, 44180 and 21125, that multiplied together give a square (933302500 = 30550²).

The spelling of 4418021125 in words is "four billion, four hundred eighteen million, twenty-one thousand, one hundred twenty-five".