2002443555 has 48 divisors (see below), whose sum is σ = 3743586720. Its totient is φ = 911328768.

The previous prime is 2002443511. The next prime is 2002443557. The reversal of 2002443555 is 5553442002.

It is not a de Polignac number, because 2002443555 - 2⁸ = 2002443299 is a prime.

It is a super-2 number, since 2×2002443555² = 8019560381922076050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002443557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162367 + ... + 174263.

It is an arithmetic number, because the mean of its divisors is an integer number (77991390).

Almost surely, 2^2002443555 is an apocalyptic number.

2002443555 is a deficient number, since it is larger than the sum of its proper divisors (1741143165).

2002443555 is a wasteful number, since it uses less digits than its factorization.

2002443555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148 (or 12141 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2002443555 is about 44748.6709858516. The cubic root of 2002443555 is about 1260.4339554629.

Adding to 2002443555 its reverse (5553442002), we get a palindrome (7555885557).

The spelling of 2002443555 in words is "two billion, two million, four hundred forty-three thousand, five hundred fifty-five".