4260640220 has 24 divisors (see below), whose sum is σ = 8950816224. Its totient is φ = 1703594816.

The previous prime is 4260640213. The next prime is 4260640271. The reversal of 4260640220 is 220460624.

It is a self number, because there is not a number n which added to its sum of digits gives 4260640220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13262 + ... + 93258.

It is an arithmetic number, because the mean of its divisors is an integer number (372950676).

Almost surely, 2^4260640220 is an apocalyptic number.

It is an amenable number.

4260640220 is an abundant number, since it is smaller than the sum of its proper divisors (4690176004).

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

4260640220 is a wasteful number, since it uses less digits than its factorization.

4260640220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82669 (or 82667 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4260640220 is about 65273.5798007126. The cubic root of 4260640220 is about 1621.1565459691.

The spelling of 4260640220 in words is "four billion, two hundred sixty million, six hundred forty thousand, two hundred twenty".