4421856532 has 24 divisors (see below), whose sum is σ = 7971063464. Its totient is φ = 2144765952.

The previous prime is 4421856443. The next prime is 4421856533. The reversal of 4421856532 is 2356581244.

It can be written as a sum of positive squares in 4 ways, for example, as 1155048196 + 3266808336 = 33986^2 + 57156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421856533) 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, 5548 + ... + 94204.

Almost surely, 2^4421856532 is an apocalyptic number.

It is an amenable number.

4421856532 is a deficient number, since it is larger than the sum of its proper divisors (3549206932).

4421856532 is a wasteful number, since it uses less digits than its factorization.

4421856532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89035 (or 89033 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 4421856532 is about 66497.0415281763. The cubic root of 4421856532 is about 1641.3513217907.

The spelling of 4421856532 in words is "four billion, four hundred twenty-one million, eight hundred fifty-six thousand, five hundred thirty-two".