4457936220 has 48 divisors (see below), whose sum is σ = 12580528128. Its totient is φ = 1179420480.

The previous prime is 4457936209. The next prime is 4457936227. The reversal of 4457936220 is 226397544.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457936227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284896 + ... + 300135.

It is an arithmetic number, because the mean of its divisors is an integer number (262094336).

Almost surely, 2^4457936220 is an apocalyptic number.

It is an amenable number.

4457936220 is an abundant number, since it is smaller than the sum of its proper divisors (8122591908).

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

4457936220 is a wasteful number, since it uses less digits than its factorization.

4457936220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585170 (or 585168 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 4457936220 is about 66767.7783066054. The cubic root of 4457936220 is about 1645.8033812605.

The spelling of 4457936220 in words is "four billion, four hundred fifty-seven million, nine hundred thirty-six thousand, two hundred twenty".