4255423642 has 8 divisors (see below), whose sum is σ = 6383935476. Its totient is φ = 2127445152.

The previous prime is 4255423633. The next prime is 4255423691. The reversal of 4255423642 is 2463245524.

It can be written as a sum of positive squares in 2 ways, for example, as 4182338241 + 73085401 = 64671^2 + 8549^2 .

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

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, 112753 + ... + 145684.

Almost surely, 2^4255423642 is an apocalyptic number.

4255423642 is a deficient number, since it is larger than the sum of its proper divisors (2128511834).

4255423642 is a wasteful number, since it uses less digits than its factorization.

4255423642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266672.

The product of its digits is 230400, while the sum is 37.

The square root of 4255423642 is about 65233.6082245954. The cubic root of 4255423642 is about 1620.4946467455.

The spelling of 4255423642 in words is "four billion, two hundred fifty-five million, four hundred twenty-three thousand, six hundred forty-two".