4457726220 has 48 divisors (see below), whose sum is σ = 12884272128. Its totient is φ = 1150380480.

The previous prime is 4457726201. The next prime is 4457726227. The reversal of 4457726220 is 226277544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4457726227) 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, 1196454 + ... + 1200173.

It is an arithmetic number, because the mean of its divisors is an integer number (268422336).

Almost surely, 2^4457726220 is an apocalyptic number.

It is an amenable number.

4457726220 is an abundant number, since it is smaller than the sum of its proper divisors (8426545908).

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

4457726220 is a wasteful number, since it uses less digits than its factorization.

4457726220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396670 (or 2396668 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 4457726220 is about 66766.2056732296. The cubic root of 4457726220 is about 1645.7775379016. Note that the first 3 decimals are identical.

The spelling of 4457726220 in words is "four billion, four hundred fifty-seven million, seven hundred twenty-six thousand, two hundred twenty".