4255140220 has 24 divisors (see below), whose sum is σ = 8938674864. Its totient is φ = 1701507456.

The previous prime is 4255140191. The next prime is 4255140221. The reversal of 4255140220 is 220415524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255140221) by changing a digit.

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, 32479 + ... + 97801.

It is an arithmetic number, because the mean of its divisors is an integer number (372444786).

Almost surely, 2^4255140220 is an apocalyptic number.

It is an amenable number.

4255140220 is an abundant number, since it is smaller than the sum of its proper divisors (4683534644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4255140220 is a wasteful number, since it uses less digits than its factorization.

4255140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68589 (or 68587 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4255140220 is about 65231.4358266013. The cubic root of 4255140220 is about 1620.4586695965.

Adding to 4255140220 its reverse (220415524), we get a palindrome (4475555744).

The spelling of 4255140220 in words is "four billion, two hundred fifty-five million, one hundred forty thousand, two hundred twenty".