4255021004 has 12 divisors (see below), whose sum is σ = 8019078144. Its totient is φ = 1963855824.

The previous prime is 4255020961. The next prime is 4255021019. The reversal of 4255021004 is 4001205524.

It is a happy number.

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, 40913612 + ... + 40913715.

It is an arithmetic number, because the mean of its divisors is an integer number (668256512).

Almost surely, 2^4255021004 is an apocalyptic number.

It is an amenable number.

4255021004 is a deficient number, since it is larger than the sum of its proper divisors (3764057140).

4255021004 is a wasteful number, since it uses less digits than its factorization.

4255021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81827344 (or 81827342 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4255021004 is about 65230.5220276521. The cubic root of 4255021004 is about 1620.4435360251.

Adding to 4255021004 its reverse (4001205524), we get a palindrome (8256226528).

The spelling of 4255021004 in words is "four billion, two hundred fifty-five million, twenty-one thousand, four".