2002384557 has 10 divisors (see below), whose sum is σ = 2991216558. Its totient is φ = 1334922984.

The previous prime is 2002384543. The next prime is 2002384589. The reversal of 2002384557 is 7554832002.

2002384557 is a `hidden beast` number, since 2 + 0 + 0 + 23 + 84 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1912400361 + 89984196 = 43731^2 + 9486^2 .

It is not a de Polignac number, because 2002384557 - 2⁷ = 2002384429 is a prime.

It is a super-2 number, since 2×2002384557² = 8019087828224172498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002384157) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12360318 + ... + 12360479.

Almost surely, 2^2002384557 is an apocalyptic number.

2002384557 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2002384557 is a deficient number, since it is larger than the sum of its proper divisors (988832001).

2002384557 is an equidigital number, since it uses as much as digits as its factorization.

2002384557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24720809 (or 24720800 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2002384557 is about 44748.0117658874. The cubic root of 2002384557 is about 1260.4215766183.

The spelling of 2002384557 in words is "two billion, two million, three hundred eighty-four thousand, five hundred fifty-seven".