4086218425 has 12 divisors (see below), whose sum is σ = 5111754300. Its totient is φ = 3240043520.

The previous prime is 4086218419. The next prime is 4086218449. The reversal of 4086218425 is 5248126804.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 580039056 + 3506179369 = 24084^2 + 59213^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4086218425 is a prime.

It is a super-3 number, since 3×4086218425³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720400 + ... + 726049.

It is an arithmetic number, because the mean of its divisors is an integer number (425979525).

Almost surely, 2^4086218425 is an apocalyptic number.

It is an amenable number.

4086218425 is a deficient number, since it is larger than the sum of its proper divisors (1025535875).

4086218425 is a wasteful number, since it uses less digits than its factorization.

4086218425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446572 (or 1446567 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 4086218425 is about 63923.5357673525. The cubic root of 4086218425 is about 1598.7253422213.

The spelling of 4086218425 in words is "four billion, eighty-six million, two hundred eighteen thousand, four hundred twenty-five".