14028865220 has 24 divisors (see below), whose sum is σ = 29491570584. Its totient is φ = 5605650176.

The previous prime is 14028865183. The next prime is 14028865223. The reversal of 14028865220 is 2256882041.

It can be written as a sum of positive squares in 4 ways, for example, as 1659421696 + 12369443524 = 40736^2 + 111218^2 .

It is not an unprimeable number, because it can be changed into a prime (14028865223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348959 + ... + 387078.

It is an arithmetic number, because the mean of its divisors is an integer number (1228815441).

Almost surely, 2^14028865220 is an apocalyptic number.

14028865220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14028865220 is an abundant number, since it is smaller than the sum of its proper divisors (15462705364).

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

14028865220 is a wasteful number, since it uses less digits than its factorization.

14028865220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736999 (or 736997 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 14028865220 in words is "fourteen billion, twenty-eight million, eight hundred sixty-five thousand, two hundred twenty".