4255715438 has 16 divisors (see below), whose sum is σ = 7173514656. Its totient is φ = 1878777120.

The previous prime is 4255715419. The next prime is 4255715459. The reversal of 4255715438 is 8345175524.

It is a super-3 number, since 3×4255715438³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557693 + ... + 3558888.

It is an arithmetic number, because the mean of its divisors is an integer number (448344666).

Almost surely, 2^4255715438 is an apocalyptic number.

4255715438 is a deficient number, since it is larger than the sum of its proper divisors (2917799218).

4255715438 is a wasteful number, since it uses less digits than its factorization.

4255715438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116619.

The product of its digits is 672000, while the sum is 44.

The square root of 4255715438 is about 65235.8447327848. The cubic root of 4255715438 is about 1620.5316852081.

The spelling of 4255715438 in words is "four billion, two hundred fifty-five million, seven hundred fifteen thousand, four hundred thirty-eight".