4255715439 has 12 divisors (see below), whose sum is σ = 6277935456. Its totient is φ = 2776778592.

The previous prime is 4255715419. The next prime is 4255715459. The reversal of 4255715439 is 9345175524.

4255715439 is a `hidden beast` number, since 4 + 25 + 571 + 54 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (4255715419) and next prime (4255715459).

It is not a de Polignac number, because 4255715439 - 2¹⁷ = 4255584367 is a prime.

It is a super-2 number, since 2×4255715439² = 36222227795485925442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4255715394 and 4255715403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255715419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5029974 + ... + 5030819.

It is an arithmetic number, because the mean of its divisors is an integer number (523161288).

Almost surely, 2^4255715439 is an apocalyptic number.

4255715439 is a deficient number, since it is larger than the sum of its proper divisors (2022220017).

4255715439 is a wasteful number, since it uses less digits than its factorization.

4255715439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060846 (or 10060843 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 4255715439 is about 65235.8447404492. The cubic root of 4255715439 is about 1620.5316853350.

The spelling of 4255715439 in words is "four billion, two hundred fifty-five million, seven hundred fifteen thousand, four hundred thirty-nine".