4255623828578 has 8 divisors (see below), whose sum is σ = 6387711323868. Its totient is φ = 2126386720624.

The previous prime is 4255623828551. The next prime is 4255623828619. The reversal of 4255623828578 is 8758283265524.

It can be written as a sum of positive squares in 2 ways, for example, as 3726741447529 + 528882381049 = 1930477^2 + 727243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4255623828578² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712593101 + ... + 712599072.

Almost surely, 2^{4255623828578} is an apocalyptic number.

4255623828578 is a deficient number, since it is larger than the sum of its proper divisors (2132087495290).

4255623828578 is a wasteful number, since it uses less digits than its factorization.

4255623828578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425193668.

The product of its digits is 258048000, while the sum is 65.

The spelling of 4255623828578 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-three million, eight hundred twenty-eight thousand, five hundred seventy-eight".