4228155708920 has 64 divisors (see below), whose sum is σ = 11176523497440. Its totient is φ = 1419241075200.

The previous prime is 4228155708863. The next prime is 4228155708929. The reversal of 4228155708920 is 298075518224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228155708929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369588311 + ... + 369599750.

Almost surely, 2^{4228155708920} is an apocalyptic number.

4228155708920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4228155708920 is an abundant number, since it is smaller than the sum of its proper divisors (6948367788520).

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

4228155708920 is a wasteful number, since it uses less digits than its factorization.

4228155708920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739188096 (or 739188092 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 4228155708920 in words is "four trillion, two hundred twenty-eight billion, one hundred fifty-five million, seven hundred eight thousand, nine hundred twenty".