4381525556 has 24 divisors (see below), whose sum is σ = 7834095360. Its totient is φ = 2143251872.

The previous prime is 4381525483. The next prime is 4381525567. The reversal of 4381525556 is 6555251834.

It is a happy number.

It is a super-2 number, since 2×4381525556² = 38395532395762218272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774185 + ... + 779823.

It is an arithmetic number, because the mean of its divisors is an integer number (326420640).

Almost surely, 2^4381525556 is an apocalyptic number.

It is an amenable number.

4381525556 is a deficient number, since it is larger than the sum of its proper divisors (3452569804).

4381525556 is a wasteful number, since it uses less digits than its factorization.

4381525556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823 (or 9821 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The square root of 4381525556 is about 66193.0929629369. The cubic root of 4381525556 is about 1636.3459140464.

The spelling of 4381525556 in words is "four billion, three hundred eighty-one million, five hundred twenty-five thousand, five hundred fifty-six".