6460008220 has 12 divisors (see below), whose sum is σ = 13566017304. Its totient is φ = 2584003280.

The previous prime is 6460008209. The next prime is 6460008223. The reversal of 6460008220 is 228000646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6460008223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161500186 + ... + 161500225.

It is an arithmetic number, because the mean of its divisors is an integer number (1130501442).

Almost surely, 2^6460008220 is an apocalyptic number.

It is an amenable number.

6460008220 is an abundant number, since it is smaller than the sum of its proper divisors (7106009084).

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

6460008220 is a wasteful number, since it uses less digits than its factorization.

6460008220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323000420 (or 323000418 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6460008220 is about 80374.1763254840. The cubic root of 6460008220 is about 1862.4202720702.

Adding to 6460008220 its reverse (228000646), we get a palindrome (6688008866).

The spelling of 6460008220 in words is "six billion, four hundred sixty million, eight thousand, two hundred twenty".